2530831 has 2 divisors, whose sum is σ = 2530832. Its totient is φ = 2530830.

The previous prime is 2530799. The next prime is 2530867. The reversal of 2530831 is 1380352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2530831 - 2⁵ = 2530799 is a prime.

It is a super-2 number, since 2×2530831² = 12810211101122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265415 + 1265416.

It is an arithmetic number, because the mean of its divisors is an integer number (1265416).

2^2530831 is an apocalyptic number.

2530831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530831 is an equidigital number, since it uses as much as digits as its factorization.

2530831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2530831 is about 1590.8585732239. The cubic root of 2530831 is about 136.2765243089.

The spelling of 2530831 in words is "two million, five hundred thirty thousand, eight hundred thirty-one".