565525 has 6 divisors (see below), whose sum is σ = 701282. Its totient is φ = 452400.

The previous prime is 565519. The next prime is 565549. The reversal of 565525 is 525565.

It can be written as a sum of positive squares in 3 ways, for example, as 164836 + 400689 = 406^2 + 633^2 .

It is not a de Polignac number, because 565525 - 2³ = 565517 is a prime.

It is a Duffinian number.

565525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 565493 and 565502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11286 + ... + 11335.

2⁵⁶⁵⁵²⁵ is an apocalyptic number.

It is an amenable number.

565525 is a deficient number, since it is larger than the sum of its proper divisors (135757).

565525 is a wasteful number, since it uses less digits than its factorization.

565525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22631 (or 22626 counting only the distinct ones).

The product of its digits is 7500, while the sum is 28.

The square root of 565525 is about 752.0139626363. The cubic root of 565525 is about 82.6958920109.

The spelling of 565525 in words is "five hundred sixty-five thousand, five hundred twenty-five".