564377 has 4 divisors (see below), whose sum is σ = 615696. Its totient is φ = 513060.

The previous prime is 564373. The next prime is 564391. The reversal of 564377 is 773465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 564377 - 2² = 564373 is a prime.

It is a super-3 number, since 3×564377³ = 539298453335551899, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564371) 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, 25643 + ... + 25664.

It is an arithmetic number, because the mean of its divisors is an integer number (153924).

2⁵⁶⁴³⁷⁷ is an apocalyptic number.

It is an amenable number.

564377 is a deficient number, since it is larger than the sum of its proper divisors (51319).

564377 is a wasteful number, since it uses less digits than its factorization.

564377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51318.

The product of its digits is 17640, while the sum is 32.

The square root of 564377 is about 751.2502911813. The cubic root of 564377 is about 82.6398973187.

The spelling of 564377 in words is "five hundred sixty-four thousand, three hundred seventy-seven".