1304518044025 has 27 divisors (see below), whose sum is σ = 1881758385741. Its totient is φ = 894499247040.

The previous prime is 1304518043963. The next prime is 1304518044043. The reversal of 1304518044025 is 5204408154031.

The square root of 1304518044025 is 1142155.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4617066601 + 1299900977424 = 67949^2 + 1140132^2 .

It is not a de Polignac number, because 1304518044025 - 2¹⁷ = 1304517912953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 39959109 + ... + 39991741.

Almost surely, 2^{1304518044025} is an apocalyptic number.

1304518044025 is the 1142155-th square number.

1304518044025 is the 571078-th centered octagonal number.

It is an amenable number.

1304518044025 is a deficient number, since it is larger than the sum of its proper divisors (577240341716).

1304518044025 is an frugal number, since it uses more digits than its factorization.

1304518044025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65290 (or 32645 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 1304518044025 in words is "one trillion, three hundred four billion, five hundred eighteen million, forty-four thousand, twenty-five".