2512831 has 2 divisors, whose sum is σ = 2512832. Its totient is φ = 2512830.

The previous prime is 2512813. The next prime is 2512837. The reversal of 2512831 is 1382152.

Together with previous prime (2512813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2512831 - 2¹³ = 2504639 is a prime.

It is a super-2 number, since 2×2512831² = 12628639269122, which contains 22 as substring.

It is a Chen prime.

2512831 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256415 + 1256416.

It is an arithmetic number, because the mean of its divisors is an integer number (1256416).

2^2512831 is an apocalyptic number.

2512831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512831 is an equidigital number, since it uses as much as digits as its factorization.

2512831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 2512831 is about 1585.1911556655. The cubic root of 2512831 is about 135.9526760086.

Adding to 2512831 its reverse (1382152), we get a palindrome (3894983).

The spelling of 2512831 in words is "two million, five hundred twelve thousand, eight hundred thirty-one".