564001247 has 4 divisors (see below), whose sum is σ = 564083616. Its totient is φ = 563918880.

The previous prime is 564001241. The next prime is 564001261. The reversal of 564001247 is 742100465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564001247 - 2⁶ = 564001183 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 (564001241) 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, 29879 + ... + 44952.

It is an arithmetic number, because the mean of its divisors is an integer number (141020904).

Almost surely, 2^564001247 is an apocalyptic number.

564001247 is a deficient number, since it is larger than the sum of its proper divisors (82369).

564001247 is an equidigital number, since it uses as much as digits as its factorization.

564001247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82368.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 564001247 is about 23748.7104281475. The cubic root of 564001247 is about 826.2155314845.

The spelling of 564001247 in words is "five hundred sixty-four million, one thousand, two hundred forty-seven".