515051564 has 6 divisors (see below), whose sum is σ = 901340244. Its totient is φ = 257525780.

The previous prime is 515051539. The next prime is 515051587. The reversal of 515051564 is 465150515.

It is a super-2 number, since 2×515051564² = 530556227157692192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 515051564.

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 as a sum of consecutive naturals, namely, 64381442 + ... + 64381449.

It is an arithmetic number, because the mean of its divisors is an integer number (150223374).

Almost surely, 2^515051564 is an apocalyptic number.

It is an amenable number.

515051564 is a deficient number, since it is larger than the sum of its proper divisors (386288680).

515051564 is a wasteful number, since it uses less digits than its factorization.

515051564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128762895 (or 128762893 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 515051564 is about 22694.7474980446. The cubic root of 515051564 is about 801.5862090972.

The spelling of 515051564 in words is "five hundred fifteen million, fifty-one thousand, five hundred sixty-four".