2531492 has 12 divisors (see below), whose sum is σ = 4514076. Its totient is φ = 1241760.

The previous prime is 2531489. The next prime is 2531519. The reversal of 2531492 is 2941352.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 1290496 = 1114^2 + 1136^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 5759 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (376173).

2^2531492 is an apocalyptic number.

It is an amenable number.

2531492 is a deficient number, since it is larger than the sum of its proper divisors (1982584).

2531492 is a wasteful number, since it uses less digits than its factorization.

2531492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11998 (or 11996 counting only the distinct ones).

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

The square root of 2531492 is about 1591.0663091147. The cubic root of 2531492 is about 136.2883874666.

The spelling of 2531492 in words is "two million, five hundred thirty-one thousand, four hundred ninety-two".