565625 has 12 divisors (see below), whose sum is σ = 710892. Its totient is φ = 450000.

The previous prime is 565613. The next prime is 565637. The reversal of 565625 is 526565.

It is an interprime number because it is at equal distance from previous prime (565613) and next prime (565637).

It can be written as a sum of positive squares in 6 ways, for example, as 561001 + 4624 = 749^2 + 68^2 .

It is not a de Polignac number, because 565625 - 2¹² = 561529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3035 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (59241).

565625 is a Friedman number, since it can be written as 5^5+6^2*5^6, using all its digits and the basic arithmetic operations.

2⁵⁶⁵⁶²⁵ is an apocalyptic number.

It is an amenable number.

565625 is a deficient number, since it is larger than the sum of its proper divisors (145267).

565625 is an frugal number, since it uses more digits than its factorization.

565625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 186 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 565625 is about 752.0804478246. The cubic root of 565625 is about 82.7007660081.

Subtracting from 565625 its reverse (526565), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 565625 in words is "five hundred sixty-five thousand, six hundred twenty-five".