2500131 has 4 divisors (see below), whose sum is σ = 3333512. Its totient is φ = 1666752.

The previous prime is 2500117. The next prime is 2500151. The reversal of 2500131 is 1310052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2500131 - 2⁶ = 2500067 is a prime.

It is a super-2 number, since 2×2500131² = 12501310034322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500151) 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, 416686 + ... + 416691.

It is an arithmetic number, because the mean of its divisors is an integer number (833378).

2^2500131 is an apocalyptic number.

2500131 is a deficient number, since it is larger than the sum of its proper divisors (833381).

2500131 is an equidigital number, since it uses as much as digits as its factorization.

2500131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833380.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2500131 is about 1581.1802553789. The cubic root of 2500131 is about 135.7232513797.

Adding to 2500131 its reverse (1310052), we get a palindrome (3810183).

The spelling of 2500131 in words is "two million, five hundred thousand, one hundred thirty-one".