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1325481 = 3441827
BaseRepresentation
bin101000011100110101001
32111100012220
411003212221
5314403411
644224253
714160243
oct5034651
92440186
101325481
11825943
1253b089
13375411
14267093
151b2b06
hex1439a9

1325481 has 4 divisors (see below), whose sum is σ = 1767312. Its totient is φ = 883652.

The previous prime is 1325449. The next prime is 1325483. The reversal of 1325481 is 1845231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1325481 - 25 = 1325449 is a prime.

It is a super-2 number, since 2×13254812 = 3513799762722, which contains 22 as substring.

It is a D-number.

1325481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1325483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220911 + ... + 220916.

It is an arithmetic number, because the mean of its divisors is an integer number (441828).

21325481 is an apocalyptic number.

It is an amenable number.

1325481 is a deficient number, since it is larger than the sum of its proper divisors (441831).

1325481 is an equidigital number, since it uses as much as digits as its factorization.

1325481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441830.

The product of its digits is 960, while the sum is 24.

The square root of 1325481 is about 1151.2953574127. The cubic root of 1325481 is about 109.8477508041.

The spelling of 1325481 in words is "one million, three hundred twenty-five thousand, four hundred eighty-one".

Divisors: 1 3 441827 1325481