1515275264 has 22 divisors (see below), whose sum is σ = 3029072814. Its totient is φ = 757637120.

The previous prime is 1515275261. The next prime is 1515275269. The reversal of 1515275264 is 4625725151.

It can be written as a sum of positive squares in only one way, i.e., 1107558400 + 407716864 = 33280^2 + 20192^2 .

It is not an unprimeable number, because it can be changed into a prime (1515275261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 738857 + ... + 740904.

Almost surely, 2^1515275264 is an apocalyptic number.

It is an amenable number.

1515275264 is a deficient number, since it is larger than the sum of its proper divisors (1513797550).

1515275264 is an equidigital number, since it uses as much as digits as its factorization.

1515275264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479781 (or 1479763 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The square root of 1515275264 is about 38926.5367583606. The cubic root of 1515275264 is about 1148.5868625883.

The spelling of 1515275264 in words is "one billion, five hundred fifteen million, two hundred seventy-five thousand, two hundred sixty-four".