2525231320 has 32 divisors (see below), whose sum is σ = 5703397920. Its totient is φ = 1006247680.

The previous prime is 2525231311. The next prime is 2525231339. The reversal of 2525231320 is 231325252.

2525231320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109501 + ... + 130540.

It is an arithmetic number, because the mean of its divisors is an integer number (178231185).

Almost surely, 2^2525231320 is an apocalyptic number.

2525231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525231320 is an abundant number, since it is smaller than the sum of its proper divisors (3178166600).

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

2525231320 is a wasteful number, since it uses less digits than its factorization.

2525231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240315 (or 240311 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2525231320 is about 50251.6797729190. The cubic root of 2525231320 is about 1361.7594226923.

Adding to 2525231320 its reverse (231325252), we get a palindrome (2756556572).

The spelling of 2525231320 in words is "two billion, five hundred twenty-five million, two hundred thirty-one thousand, three hundred twenty".