25974467252 has 12 divisors (see below), whose sum is σ = 45466095780. Its totient is φ = 12984154176.

The previous prime is 25974467251. The next prime is 25974467303. The reversal of 25974467252 is 25276447952.

It can be written as a sum of positive squares in 2 ways, for example, as 21760380196 + 4214087056 = 147514^2 + 64916^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25974467194 and 25974467203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25974467251) 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, 750833 + ... + 784664.

It is an arithmetic number, because the mean of its divisors is an integer number (3788841315).

Almost surely, 2^25974467252 is an apocalyptic number.

It is an amenable number.

25974467252 is a deficient number, since it is larger than the sum of its proper divisors (19491628528).

25974467252 is a wasteful number, since it uses less digits than its factorization.

25974467252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539730 (or 1539728 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 53.

The spelling of 25974467252 in words is "twenty-five billion, nine hundred seventy-four million, four hundred sixty-seven thousand, two hundred fifty-two".