565630825 has 6 divisors (see below), whose sum is σ = 701382254. Its totient is φ = 452504640.

The previous prime is 565630799. The next prime is 565630847. The reversal of 565630825 is 528036565.

It can be written as a sum of positive squares in 3 ways, for example, as 94864 + 565535961 = 308^2 + 23781^2 .

It is a de Polignac number, because none of the positive numbers 2^k-565630825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11312592 + ... + 11312641.

Almost surely, 2^565630825 is an apocalyptic number.

It is an amenable number.

565630825 is a deficient number, since it is larger than the sum of its proper divisors (135751429).

565630825 is a wasteful number, since it uses less digits than its factorization.

565630825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22625243 (or 22625238 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 565630825 is about 23782.9944498164. The cubic root of 565630825 is about 827.0104990072.

It can be divided in two parts, 5656 and 30825, that added together give a square (36481 = 191²).

The spelling of 565630825 in words is "five hundred sixty-five million, six hundred thirty thousand, eight hundred twenty-five".