2531249 has 16 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 2010624.

The previous prime is 2531233. The next prime is 2531261. The reversal of 2531249 is 9421352.

It is not a de Polignac number, because 2531249 - 2⁴ = 2531233 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10472 + ... + 10710.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

2^2531249 is an apocalyptic number.

It is an amenable number.

2531249 is a deficient number, since it is larger than the sum of its proper divisors (579151).

2531249 is a wasteful number, since it uses less digits than its factorization.

2531249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352.

The product of its digits is 2160, while the sum is 26.

The square root of 2531249 is about 1590.9899434000. The cubic root of 2531249 is about 136.2840265155.

The spelling of 2531249 in words is "two million, five hundred thirty-one thousand, two hundred forty-nine".