25257473476 has 27 divisors (see below), whose sum is σ = 44522743629. Its totient is φ = 12537354288.

The previous prime is 25257473443. The next prime is 25257473497. The reversal of 25257473476 is 67437475252.

The square root of 25257473476 is 158926.

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

It can be written as a sum of positive squares in only one way, i.e., 23523583876 + 1733889600 = 153374^2 + 41640^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 72787935 + ... + 72788281.

Almost surely, 2^25257473476 is an apocalyptic number.

25257473476 is the 158926-th square number.

It is an amenable number.

25257473476 is a deficient number, since it is larger than the sum of its proper divisors (19265270153).

25257473476 is an frugal number, since it uses more digits than its factorization.

25257473476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 578 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 52.

The spelling of 25257473476 in words is "twenty-five billion, two hundred fifty-seven million, four hundred seventy-three thousand, four hundred seventy-six".