2531016556 has 12 divisors (see below), whose sum is σ = 4448290392. Its totient is φ = 1260076448.

The previous prime is 2531016541. The next prime is 2531016569. The reversal of 2531016556 is 6556101352.

It is a super-2 number, since 2×2531016556² = 12812089613492202272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1356910 + ... + 1358773.

It is an arithmetic number, because the mean of its divisors is an integer number (370690866).

Almost surely, 2^2531016556 is an apocalyptic number.

It is an amenable number.

2531016556 is a deficient number, since it is larger than the sum of its proper divisors (1917273836).

2531016556 is a wasteful number, since it uses less digits than its factorization.

2531016556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715920 (or 2715918 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2531016556 is about 50309.2094551286. The cubic root of 2531016556 is about 1362.7985474448.

The spelling of 2531016556 in words is "two billion, five hundred thirty-one million, sixteen thousand, five hundred fifty-six".