2492531 has 4 divisors (see below), whose sum is σ = 2503200. Its totient is φ = 2481864.

The previous prime is 2492527. The next prime is 2492549. The reversal of 2492531 is 1352942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2492531 - 2² = 2492527 is a prime.

It is a super-2 number, since 2×2492531² = 12425421571922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2492531.

It is not an unprimeable number, because it can be changed into a prime (2422531) 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, 4976 + ... + 5453.

It is an arithmetic number, because the mean of its divisors is an integer number (625800).

2^2492531 is an apocalyptic number.

2492531 is a deficient number, since it is larger than the sum of its proper divisors (10669).

2492531 is a wasteful number, since it uses less digits than its factorization.

2492531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668.

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

The square root of 2492531 is about 1578.7751581527. The cubic root of 2492531 is about 135.5855861035.

The spelling of 2492531 in words is "two million, four hundred ninety-two thousand, five hundred thirty-one".