2531025136 has 20 divisors (see below), whose sum is σ = 4904652600. Its totient is φ = 1265308352.

The previous prime is 2531025109. The next prime is 2531025137. The reversal of 2531025136 is 6315201352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531025137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161955 + ... + 176893.

It is an arithmetic number, because the mean of its divisors is an integer number (245232630).

Almost surely, 2^2531025136 is an apocalyptic number.

It is an amenable number.

2531025136 is a deficient number, since it is larger than the sum of its proper divisors (2373627464).

2531025136 is a wasteful number, since it uses less digits than its factorization.

2531025136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25536 (or 25530 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2531025136 is about 50309.2947277141. The cubic root of 2531025136 is about 1362.8000873792.

Adding to 2531025136 its reverse (6315201352), we get a palindrome (8846226488).

The spelling of 2531025136 in words is "two billion, five hundred thirty-one million, twenty-five thousand, one hundred thirty-six".