2531825516 has 24 divisors (see below), whose sum is σ = 4936329216. Its totient is φ = 1126343120.

The previous prime is 2531825467. The next prime is 2531825539. The reversal of 2531825516 is 6155281352.

It is a self number, because there is not a number n which added to its sum of digits gives 2531825516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610076 + ... + 614211.

It is an arithmetic number, because the mean of its divisors is an integer number (205680384).

Almost surely, 2^2531825516 is an apocalyptic number.

It is an amenable number.

2531825516 is a deficient number, since it is larger than the sum of its proper divisors (2404503700).

2531825516 is a wasteful number, since it uses less digits than its factorization.

2531825516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224349 (or 1224347 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 2531825516 is about 50317.2486926700. The cubic root of 2531825516 is about 1362.9437239058.

The spelling of 2531825516 in words is "two billion, five hundred thirty-one million, eight hundred twenty-five thousand, five hundred sixteen".