2531608 has 16 divisors (see below), whose sum is σ = 4848480. Its totient is φ = 1238688.

The previous prime is 2531593. The next prime is 2531609. The reversal of 2531608 is 8061352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2991 + ... + 3742.

It is an arithmetic number, because the mean of its divisors is an integer number (303030).

2^2531608 is an apocalyptic number.

It is an amenable number.

2531608 is a deficient number, since it is larger than the sum of its proper divisors (2316872).

2531608 is a wasteful number, since it uses less digits than its factorization.

2531608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6782 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2531608 is about 1591.1027622376. The cubic root of 2531608 is about 136.2904691390.

The spelling of 2531608 in words is "two million, five hundred thirty-one thousand, six hundred eight".