1323140625 has 63 divisors (see below), whose sum is σ = 2413855821. Its totient is φ = 698400000.

The previous prime is 1323140603. The next prime is 1323140629. The reversal of 1323140625 is 5260413231.

The square root of 1323140625 is 36375.

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

1323140625 is a `hidden beast` number, since 1 + 3 + 2 + 31 + 4 + 0 + 625 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 1044517761 + 278622864 = 32319^2 + 16692^2 .

It is not a de Polignac number, because 1323140625 - 2¹⁷ = 1323009553 is a prime.

It is a super-2 number, since 2×1323140625² = 3501402227050781250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323140629) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 13640577 + ... + 13640673.

Almost surely, 2^1323140625 is an apocalyptic number.

1323140625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323140625 is the 36375-th square number.

1323140625 is the 18188-th centered octagonal number.

It is an amenable number.

1323140625 is a deficient number, since it is larger than the sum of its proper divisors (1090715196).

1323140625 is an frugal number, since it uses more digits than its factorization.

1323140625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The cubic root of 1323140625 is about 1097.8306073103.

Adding to 1323140625 its reverse (5260413231), we get a palindrome (6583553856).

The spelling of 1323140625 in words is "one billion, three hundred twenty-three million, one hundred forty thousand, six hundred twenty-five".