2531523874 has 32 divisors (see below), whose sum is σ = 4205260800. Its totient is φ = 1133330640.

The previous prime is 2531523871. The next prime is 2531523889. The reversal of 2531523874 is 4783251352.

It is a super-2 number, since 2×2531523874² = 12817226249263935752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2531523871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810087 + ... + 813205.

It is an arithmetic number, because the mean of its divisors is an integer number (131414400).

Almost surely, 2^2531523874 is an apocalyptic number.

2531523874 is a deficient number, since it is larger than the sum of its proper divisors (1673736926).

2531523874 is a wasteful number, since it uses less digits than its factorization.

2531523874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678.

The product of its digits is 201600, while the sum is 40.

The square root of 2531523874 is about 50314.2512018215. The cubic root of 2531523874 is about 1362.8895946624.

The spelling of 2531523874 in words is "two billion, five hundred thirty-one million, five hundred twenty-three thousand, eight hundred seventy-four".