2513131 has 2 divisors, whose sum is σ = 2513132. Its totient is φ = 2513130.

The previous prime is 2513123. The next prime is 2513143. The reversal of 2513131 is 1313152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2513131 - 2³ = 2513123 is a prime.

It is a super-2 number, since 2×2513131² = 12631654846322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2517131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256565 + 1256566.

It is an arithmetic number, because the mean of its divisors is an integer number (1256566).

2^2513131 is an apocalyptic number.

2513131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513131 is an equidigital number, since it uses as much as digits as its factorization.

2513131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 16.

The square root of 2513131 is about 1585.2857786532. The cubic root of 2513131 is about 135.9580861323.

Adding to 2513131 its reverse (1313152), we get a palindrome (3826283).

The spelling of 2513131 in words is "two million, five hundred thirteen thousand, one hundred thirty-one".