565477 has 4 divisors (see below), whose sum is σ = 616896. Its totient is φ = 514060.

The previous prime is 565469. The next prime is 565483. The reversal of 565477 is 774565.

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 565477 - 2³ = 565469 is a prime.

It is a Duffinian number.

565477 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565427) 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, 25693 + ... + 25714.

It is an arithmetic number, because the mean of its divisors is an integer number (154224).

2⁵⁶⁵⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

565477 is a deficient number, since it is larger than the sum of its proper divisors (51419).

565477 is a wasteful number, since it uses less digits than its factorization.

565477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51418.

The product of its digits is 29400, while the sum is 34.

The square root of 565477 is about 751.9820476581. The cubic root of 565477 is about 82.6935522881.

The spelling of 565477 in words is "five hundred sixty-five thousand, four hundred seventy-seven".