25500300500 has 48 divisors (see below), whose sum is σ = 56523964224. Its totient is φ = 10047866400.

The previous prime is 25500300487. The next prime is 25500300521. The reversal of 25500300500 is 500300552.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 347102 + ... + 414101.

It is an arithmetic number, because the mean of its divisors is an integer number (1177582588).

Almost surely, 2^25500300500 is an apocalyptic number.

25500300500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25500300500 is an abundant number, since it is smaller than the sum of its proper divisors (31023663724).

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

25500300500 is a wasteful number, since it uses less digits than its factorization.

25500300500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761289 (or 761277 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The spelling of 25500300500 in words is "twenty-five billion, five hundred million, three hundred thousand, five hundred".