2531152899 has 72 divisors (see below), whose sum is σ = 4347120960. Its totient is φ = 1412590080.

The previous prime is 2531152873. The next prime is 2531152907. The reversal of 2531152899 is 9982511352.

2531152899 is a `hidden beast` number, since 2 + 5 + 31 + 1 + 528 + 99 = 666.

It is not a de Polignac number, because 2531152899 - 2⁸ = 2531152643 is a prime.

It is a super-2 number, since 2×2531152899² = 12813469996232208402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531152859) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 868657 + ... + 871565.

It is an arithmetic number, because the mean of its divisors is an integer number (60376680).

Almost surely, 2^2531152899 is an apocalyptic number.

2531152899 is a deficient number, since it is larger than the sum of its proper divisors (1815968061).

2531152899 is a wasteful number, since it uses less digits than its factorization.

2531152899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001 (or 2987 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 2531152899 is about 50310.5644869942. The cubic root of 2531152899 is about 1362.8230178110.

It can be divided in two parts, 25311 and 52899, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 2531152899 in words is "two billion, five hundred thirty-one million, one hundred fifty-two thousand, eight hundred ninety-nine".