2515204256 has 12 divisors (see below), whose sum is σ = 4951808442. Its totient is φ = 1257602112.

The previous prime is 2515204253. The next prime is 2515204267. The reversal of 2515204256 is 6524025152.

2515204256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1961072656 + 554131600 = 44284^2 + 23540^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 78600133 = 2515204256 / (2 + 5 + 1 + 5 + 2 + 0 + 4 + 2 + 5 + 6).

It is not an unprimeable number, because it can be changed into a prime (2515204253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39300035 + ... + 39300098.

Almost surely, 2^2515204256 is an apocalyptic number.

It is an amenable number.

2515204256 is a deficient number, since it is larger than the sum of its proper divisors (2436604186).

2515204256 is an equidigital number, since it uses as much as digits as its factorization.

2515204256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78600143 (or 78600135 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 2515204256 is about 50151.8120908906. The cubic root of 2515204256 is about 1359.9546293976.

The spelling of 2515204256 in words is "two billion, five hundred fifteen million, two hundred four thousand, two hundred fifty-six".