2515633256 has 16 divisors (see below), whose sum is σ = 4844294340. Its totient is φ = 1223821440.

The previous prime is 2515633249. The next prime is 2515633297. The reversal of 2515633256 is 6523365152.

It can be written as a sum of positive squares in 2 ways, for example, as 2345852356 + 169780900 = 48434^2 + 13030^2 .

It is a super-3 number, since 3×2515633256³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4249085 + ... + 4249676.

Almost surely, 2^2515633256 is an apocalyptic number.

It is an amenable number.

2515633256 is a deficient number, since it is larger than the sum of its proper divisors (2328661084).

2515633256 is a wasteful number, since it uses less digits than its factorization.

2515633256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498804 (or 8498800 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The square root of 2515633256 is about 50156.0889224828. The cubic root of 2515633256 is about 1360.0319441747.

The spelling of 2515633256 in words is "two billion, five hundred fifteen million, six hundred thirty-three thousand, two hundred fifty-six".