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1330425625 = 5414592
BaseRepresentation
bin100111101001100…
…1010111100011001
310102201102121212011
41033103022330121
510211042110000
6340003345521
744653300624
oct11723127431
93381377764
101330425625
11622a99511
123116822a1
1318282b8c9
14c89a0dbb
157bc002ba
hex4f4caf19

1330425625 has 15 divisors (see below), whose sum is σ = 1663640121. Its totient is φ = 1063611000.

The previous prime is 1330425623. The next prime is 1330425637. The reversal of 1330425625 is 5265240331.

It is a happy number.

The square root of 1330425625 is 36475.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 104305369 + 1226120256 = 10213^2 + 35016^2 .

It is not a de Polignac number, because 1330425625 - 21 = 1330425623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330425623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 911146 + ... + 912604.

Almost surely, 21330425625 is an apocalyptic number.

1330425625 is the 36475-th square number.

1330425625 is the 18238-th centered octagonal number.

It is an amenable number.

1330425625 is a deficient number, since it is larger than the sum of its proper divisors (333214496).

1330425625 is an frugal number, since it uses more digits than its factorization.

1330425625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The cubic root of 1330425625 is about 1099.8417472063.

Adding to 1330425625 its reverse (5265240331), we get a palindrome (6595665956).

The spelling of 1330425625 in words is "one billion, three hundred thirty million, four hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 1459 7295 36475 182375 911875 2128681 10643405 53217025 266085125 1330425625