2531113 has 12 divisors (see below), whose sum is σ = 2905308. Its totient is φ = 2196480.

The previous prime is 2531107. The next prime is 2531117. The reversal of 2531113 is 3111352.

It can be written as a sum of positive squares in 6 ways, for example, as 419904 + 2111209 = 648^2 + 1453^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2531113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2433 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (242109).

2^2531113 is an apocalyptic number.

It is an amenable number.

2531113 is a deficient number, since it is larger than the sum of its proper divisors (374195).

2531113 is a wasteful number, since it uses less digits than its factorization.

2531113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 911 counting only the distinct ones).

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

The square root of 2531113 is about 1590.9472021409. The cubic root of 2531113 is about 136.2815856969.

Adding to 2531113 its reverse (3111352), we get a palindrome (5642465).

The spelling of 2531113 in words is "two million, five hundred thirty-one thousand, one hundred thirteen".