25025250528 has 36 divisors (see below), whose sum is σ = 71165557008. Its totient is φ = 8341750080.

The previous prime is 25025250527. The next prime is 25025250539. The reversal of 25025250528 is 82505252052.

25025250528 is a `hidden beast` number, since 2 + 502 + 52 + 50 + 52 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25025250492 and 25025250501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25025250527) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 43446328 + ... + 43446903.

It is an arithmetic number, because the mean of its divisors is an integer number (1976821028).

Almost surely, 2^25025250528 is an apocalyptic number.

It is an amenable number.

25025250528 is an abundant number, since it is smaller than the sum of its proper divisors (46140306480).

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

25025250528 is a wasteful number, since it uses less digits than its factorization.

25025250528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86893247 (or 86893236 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 25025250528 in words is "twenty-five billion, twenty-five million, two hundred fifty thousand, five hundred twenty-eight".