2530131 has 4 divisors (see below), whose sum is σ = 3373512. Its totient is φ = 1686752.

The previous prime is 2530117. The next prime is 2530139. The reversal of 2530131 is 1310352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2530131 - 2⁶ = 2530067 is a prime.

It is a super-2 number, since 2×2530131² = 12803125754322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2530131.

It is not an unprimeable number, because it can be changed into a prime (2530139) 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, 421686 + ... + 421691.

It is an arithmetic number, because the mean of its divisors is an integer number (843378).

2^2530131 is an apocalyptic number.

2530131 is a deficient number, since it is larger than the sum of its proper divisors (843381).

2530131 is an equidigital number, since it uses as much as digits as its factorization.

2530131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843380.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2530131 is about 1590.6385510228. The cubic root of 2530131 is about 136.2639589548.

Adding to 2530131 its reverse (1310352), we get a palindrome (3840483).

The spelling of 2530131 in words is "two million, five hundred thirty thousand, one hundred thirty-one".