564252515 has 8 divisors (see below), whose sum is σ = 677274048. Its totient is φ = 451288000.

The previous prime is 564252503. The next prime is 564252539. The reversal of 564252515 is 515252465.

564252515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 23754²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 564252515 - 2⁴ = 564252499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11879 + ... + 35631.

It is an arithmetic number, because the mean of its divisors is an integer number (84659256).

Almost surely, 2^564252515 is an apocalyptic number.

564252515 is a deficient number, since it is larger than the sum of its proper divisors (113021533).

564252515 is a wasteful number, since it uses less digits than its factorization.

564252515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28509.

The product of its digits is 60000, while the sum is 35.

The square root of 564252515 is about 23753.9999789509. Note that the first 4 decimals coincide. The cubic root of 564252515 is about 826.3382089333.

Subtracting from 564252515 its reverse (515252465), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 564252515 in words is "five hundred sixty-four million, two hundred fifty-two thousand, five hundred fifteen".