2531242 has 24 divisors (see below), whose sum is σ = 4612896. Its totient is φ = 1036728.

The previous prime is 2531233. The next prime is 2531261. The reversal of 2531242 is 2421352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1693 + ... + 2815.

It is an arithmetic number, because the mean of its divisors is an integer number (192204).

2^2531242 is an apocalyptic number.

2531242 is a deficient number, since it is larger than the sum of its proper divisors (2081654).

2531242 is a wasteful number, since it uses less digits than its factorization.

2531242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1155 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 2531242 is about 1590.9877435103. The cubic root of 2531242 is about 136.2839008873.

Adding to 2531242 its reverse (2421352), we get a palindrome (4952594).

The spelling of 2531242 in words is "two million, five hundred thirty-one thousand, two hundred forty-two".