2531123 has 8 divisors (see below), whose sum is σ = 3045120. Its totient is φ = 2055240.

The previous prime is 2531117. The next prime is 2531167. The reversal of 2531123 is 3211352.

2531123 is nontrivially palindromic in base 11.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2531123 - 2⁴ = 2531107 is a prime.

It is a super-2 number, since 2×2531123² = 12813167282258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531183) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9383 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (380640).

2^2531123 is an apocalyptic number.

2531123 is a deficient number, since it is larger than the sum of its proper divisors (513997).

2531123 is a wasteful number, since it uses less digits than its factorization.

2531123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19057.

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

The square root of 2531123 is about 1590.9503449197. The cubic root of 2531123 is about 136.2817651718.

Adding to 2531123 its reverse (3211352), we get a palindrome (5742475).

The spelling of 2531123 in words is "two million, five hundred thirty-one thousand, one hundred twenty-three".