25025571284 has 12 divisors (see below), whose sum is σ = 50051142624. Its totient is φ = 10725244824.

The previous prime is 25025571269. The next prime is 25025571299. The reversal of 25025571284 is 48217552052.

It is an interprime number because it is at equal distance from previous prime (25025571269) and next prime (25025571299).

25025571284 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446885174 + ... + 446885229.

It is an arithmetic number, because the mean of its divisors is an integer number (4170928552).

Almost surely, 2^25025571284 is an apocalyptic number.

It is an amenable number.

25025571284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25025571284 is a wasteful number, since it uses less digits than its factorization.

25025571284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893770414 (or 893770412 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 41.

The spelling of 25025571284 in words is "twenty-five billion, twenty-five million, five hundred seventy-one thousand, two hundred eighty-four".