2531264 has 14 divisors (see below), whose sum is σ = 5023104. Its totient is φ = 1265600.

The previous prime is 2531261. The next prime is 2531267. The reversal of 2531264 is 4621352.

2531264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2531261) and next prime (2531267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19712 + ... + 19839.

2^2531264 is an apocalyptic number.

It is an amenable number.

2531264 is a deficient number, since it is larger than the sum of its proper divisors (2491840).

2531264 is an equidigital number, since it uses as much as digits as its factorization.

2531264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39563 (or 39553 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2531264 is about 1590.9946574392. The cubic root of 2531264 is about 136.2842957181.

The spelling of 2531264 in words is "two million, five hundred thirty-one thousand, two hundred sixty-four".