1317327025 has 81 divisors (see below), whose sum is σ = 2052160227. Its totient is φ = 836236800.

The previous prime is 1317327017. The next prime is 1317327071. The reversal of 1317327025 is 5207237131.

The square root of 1317327025 is 36295.

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

It can be written as a sum of positive squares in 13 ways, for example, as 1175049841 + 142277184 = 34279^2 + 11928^2 .

It is not a de Polignac number, because 1317327025 - 2³ = 1317327017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 21595495 + ... + 21595555.

Almost surely, 2^1317327025 is an apocalyptic number.

1317327025 is the 36295-th square number.

1317327025 is the 18148-th centered octagonal number.

It is an amenable number.

1317327025 is a deficient number, since it is larger than the sum of its proper divisors (734833202).

1317327025 is an equidigital number, since it uses as much as digits as its factorization.

1317327025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The cubic root of 1317327025 is about 1096.2203681705.

The spelling of 1317327025 in words is "one billion, three hundred seventeen million, three hundred twenty-seven thousand, twenty-five".