2531125863 has 12 divisors (see below), whose sum is σ = 4178366608. Its totient is φ = 1446357600.

The previous prime is 2531125853. The next prime is 2531125871. The reversal of 2531125863 is 3685211352.

2531125863 is a `hidden beast` number, since 2 + 531 + 12 + 58 + 63 = 666.

It is not a de Polignac number, because 2531125863 - 2⁸ = 2531125607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531125853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20088238 + ... + 20088363.

Almost surely, 2^2531125863 is an apocalyptic number.

2531125863 is a deficient number, since it is larger than the sum of its proper divisors (1647240745).

2531125863 is a wasteful number, since it uses less digits than its factorization.

2531125863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40176614 (or 40176611 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2531125863 is about 50310.2957951948. The cubic root of 2531125863 is about 1362.8181655538.

The spelling of 2531125863 in words is "two billion, five hundred thirty-one million, one hundred twenty-five thousand, eight hundred sixty-three".