564252517 has 4 divisors (see below), whose sum is σ = 566350380. Its totient is φ = 562154656.

The previous prime is 564252503. The next prime is 564252539. The reversal of 564252517 is 715252465.

564252517 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 semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 715252465 = 5 ⋅143050493.

It can be written as a sum of positive squares in 2 ways, for example, as 37136836 + 527115681 = 6094^2 + 22959^2 .

It is a cyclic number.

It is not a de Polignac number, because 564252517 - 2²⁷ = 430034789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564252617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048528 + ... + 1049065.

It is an arithmetic number, because the mean of its divisors is an integer number (141587595).

Almost surely, 2^564252517 is an apocalyptic number.

It is an amenable number.

564252517 is a deficient number, since it is larger than the sum of its proper divisors (2097863).

564252517 is a wasteful number, since it uses less digits than its factorization.

564252517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097862.

The product of its digits is 84000, while the sum is 37.

The square root of 564252517 is about 23754.0000210491. Note that the first 4 decimals coincide. The cubic root of 564252517 is about 826.3382099096.

The spelling of 564252517 in words is "five hundred sixty-four million, two hundred fifty-two thousand, five hundred seventeen".