25997600452 has 12 divisors (see below), whose sum is σ = 45514319760. Its totient is φ = 12993509096.

The previous prime is 25997600443. The next prime is 25997600467. The reversal of 25997600452 is 25400679952.

It is a junction number, because it is equal to n+sod(n) for n = 25997600396 and 25997600405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311718 + ... + 1331389.

It is an arithmetic number, because the mean of its divisors is an integer number (3792859980).

Almost surely, 2^25997600452 is an apocalyptic number.

It is an amenable number.

25997600452 is a deficient number, since it is larger than the sum of its proper divisors (19516719308).

25997600452 is a wasteful number, since it uses less digits than its factorization.

25997600452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645570 (or 2645568 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 25997600452 in words is "twenty-five billion, nine hundred ninety-seven million, six hundred thousand, four hundred fifty-two".