2523131 has 4 divisors (see below), whose sum is σ = 2717232. Its totient is φ = 2329032.

The previous prime is 2523107. The next prime is 2523133. The reversal of 2523131 is 1313252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2523131 is a prime.

It is a super-2 number, since 2×2523131² = 12732380086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97031 + ... + 97056.

It is an arithmetic number, because the mean of its divisors is an integer number (679308).

2^2523131 is an apocalyptic number.

2523131 is a deficient number, since it is larger than the sum of its proper divisors (194101).

2523131 is a wasteful number, since it uses less digits than its factorization.

2523131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194100.

The product of its digits is 180, while the sum is 17.

The square root of 2523131 is about 1588.4366528131. The cubic root of 2523131 is about 136.1381777570.

Adding to 2523131 its reverse (1313252), we get a palindrome (3836383).

The spelling of 2523131 in words is "two million, five hundred twenty-three thousand, one hundred thirty-one".