25304534212 has 24 divisors (see below), whose sum is σ = 44463298880. Its totient is φ = 12600839520.

The previous prime is 25304534209. The next prime is 25304534231. The reversal of 25304534212 is 21243540352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990058 + ... + 1015294.

Almost surely, 2^25304534212 is an apocalyptic number.

It is an amenable number.

25304534212 is a deficient number, since it is larger than the sum of its proper divisors (19158764668).

25304534212 is a wasteful number, since it uses less digits than its factorization.

25304534212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26251 (or 26249 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 25304534212 in words is "twenty-five billion, three hundred four million, five hundred thirty-four thousand, two hundred twelve".