25250528502 has 48 divisors (see below), whose sum is σ = 57946825872. Its totient is φ = 7919116800.

The previous prime is 25250528473. The next prime is 25250528507. The reversal of 25250528502 is 20582505252.

25250528502 is a `hidden beast` number, since 2 + 52 + 50 + 52 + 8 + 502 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250528507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049002 + ... + 1072802.

It is an arithmetic number, because the mean of its divisors is an integer number (1207225539).

Almost surely, 2^25250528502 is an apocalyptic number.

25250528502 is an abundant number, since it is smaller than the sum of its proper divisors (32696297370).

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

25250528502 is a wasteful number, since it uses less digits than its factorization.

25250528502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27293 (or 27290 counting only the distinct ones).

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

The spelling of 25250528502 in words is "twenty-five billion, two hundred fifty million, five hundred twenty-eight thousand, five hundred two".