2531168 has 24 divisors (see below), whose sum is σ = 5048568. Its totient is φ = 1249024.

The previous prime is 2531167. The next prime is 2531171. The reversal of 2531168 is 8611352.

2531168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2531168² = 12813622888448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531167) 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 in 3 ways as a sum of consecutive naturals, for example, 2180 + ... + 3132.

It is an arithmetic number, because the mean of its divisors is an integer number (210357).

2^2531168 is an apocalyptic number.

It is an amenable number.

2531168 is a deficient number, since it is larger than the sum of its proper divisors (2517400).

2531168 is an equidigital number, since it uses as much as digits as its factorization.

2531168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1038 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 2531168 is about 1590.9644873472. The cubic root of 2531168 is about 136.2825728032.

The spelling of 2531168 in words is "two million, five hundred thirty-one thousand, one hundred sixty-eight".