565520527 has 32 divisors (see below), whose sum is σ = 698826240. Its totient is φ = 450299520.

The previous prime is 565520491. The next prime is 565520531. The reversal of 565520527 is 725025565.

It is a happy number.

It is not a de Polignac number, because 565520527 - 2²⁷ = 431302799 is a prime.

It is a super-4 number, since 4×565520527⁴ (a number of 36 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565520927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456553 + ... + 457789.

It is an arithmetic number, because the mean of its divisors is an integer number (21838320).

Almost surely, 2^565520527 is an apocalyptic number.

565520527 is a deficient number, since it is larger than the sum of its proper divisors (133305713).

565520527 is a wasteful number, since it uses less digits than its factorization.

565520527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 565520527 is about 23780.6754950317. The cubic root of 565520527 is about 826.9567398356.

The spelling of 565520527 in words is "five hundred sixty-five million, five hundred twenty thousand, five hundred twenty-seven".