2531324 has 12 divisors (see below), whose sum is σ = 4533144. Its totient is φ = 1236144.

The previous prime is 2531293. The next prime is 2531369. The reversal of 2531324 is 4231352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2531296 and 2531305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7187 + ... + 7530.

It is an arithmetic number, because the mean of its divisors is an integer number (377762).

2^2531324 is an apocalyptic number.

It is an amenable number.

2531324 is a deficient number, since it is larger than the sum of its proper divisors (2001820).

2531324 is a wasteful number, since it uses less digits than its factorization.

2531324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14764 (or 14762 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 2531324 is about 1591.0135134561. The cubic root of 2531324 is about 136.2853725179.

Adding to 2531324 its reverse (4231352), we get a palindrome (6762676).

The spelling of 2531324 in words is "two million, five hundred thirty-one thousand, three hundred twenty-four".