2559525516 has 72 divisors (see below), whose sum is σ = 6540206400. Its totient is φ = 843952896.

The previous prime is 2559525497. The next prime is 2559525541. The reversal of 2559525516 is 6155259552.

2559525516 is a `hidden beast` number, since 2 + 5 + 5 + 95 + 2 + 551 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1720525 + ... + 1722011.

It is an arithmetic number, because the mean of its divisors is an integer number (90836200).

Almost surely, 2^2559525516 is an apocalyptic number.

It is an amenable number.

2559525516 is an abundant number, since it is smaller than the sum of its proper divisors (3980680884).

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

2559525516 is a wasteful number, since it uses less digits than its factorization.

2559525516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1978 counting only the distinct ones).

The product of its digits is 675000, while the sum is 45.

The square root of 2559525516 is about 50591.7534386781. The cubic root of 2559525516 is about 1367.8962358456.

The spelling of 2559525516 in words is "two billion, five hundred fifty-nine million, five hundred twenty-five thousand, five hundred sixteen".