25025220250 has 64 divisors (see below), whose sum is σ = 48083518080. Its totient is φ = 9749308800.

The previous prime is 25025220221. The next prime is 25025220257. The reversal of 25025220250 is 5202252052.

It is a super-2 number, since 2×25025220250² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (25025220257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1482357 + ... + 1499143.

It is an arithmetic number, because the mean of its divisors is an integer number (751304970).

Almost surely, 2^25025220250 is an apocalyptic number.

25025220250 is a deficient number, since it is larger than the sum of its proper divisors (23058297830).

25025220250 is a wasteful number, since it uses less digits than its factorization.

25025220250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16960 (or 16950 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 25025220250 in words is "twenty-five billion, twenty-five million, two hundred twenty thousand, two hundred fifty".