2531523876 has 24 divisors (see below), whose sum is σ = 6750730560. Its totient is φ = 723292512.

The previous prime is 2531523871. The next prime is 2531523889. The reversal of 2531523876 is 6783251352.

It is a happy number.

It is a super-2 number, since 2×2531523876² = 12817226269516126752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 7 ways as a sum of consecutive naturals, for example, 15068511 + ... + 15068678.

It is an arithmetic number, because the mean of its divisors is an integer number (281280440).

Almost surely, 2^2531523876 is an apocalyptic number.

It is an amenable number.

2531523876 is an abundant number, since it is smaller than the sum of its proper divisors (4219206684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531523876 is a wasteful number, since it uses less digits than its factorization.

2531523876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30137203 (or 30137201 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 2531523876 is about 50314.2512216966. The cubic root of 2531523876 is about 1362.8895950213.

The spelling of 2531523876 in words is "two billion, five hundred thirty-one million, five hundred twenty-three thousand, eight hundred seventy-six".