25302012552 has 64 divisors (see below), whose sum is σ = 70299216000. Its totient is φ = 8432102592.

The previous prime is 25302012517. The next prime is 25302012599. The reversal of 25302012552 is 25521020352.

25302012552 is a `hidden beast` number, since 2 + 530 + 2 + 0 + 125 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207638 + ... + 1228410.

It is an arithmetic number, because the mean of its divisors is an integer number (1098425250).

Almost surely, 2^25302012552 is an apocalyptic number.

It is an amenable number.

25302012552 is an abundant number, since it is smaller than the sum of its proper divisors (44997203448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25302012552 is a wasteful number, since it uses less digits than its factorization.

25302012552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26427 (or 26417 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 25302012552 in words is "twenty-five billion, three hundred two million, twelve thousand, five hundred fifty-two".