565726225 has 27 divisors (see below), whose sum is σ = 722298171. Its totient is φ = 439546800.

The previous prime is 565726211. The next prime is 565726243. The reversal of 565726225 is 522627565.

It is a happy number.

The square root of 565726225 is 23785.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 203661441 + 362064784 = 14271^2 + 19028^2 .

It is not a de Polignac number, because 565726225 - 2¹³ = 565718033 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 (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7967940 + ... + 7968010.

Almost surely, 2^565726225 is an apocalyptic number.

565726225 is the 23785-th square number.

565726225 is the 11893-rd centered octagonal number.

It is an amenable number.

565726225 is a deficient number, since it is larger than the sum of its proper divisors (156571946).

565726225 is an frugal number, since it uses more digits than its factorization.

565726225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 143 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The cubic root of 565726225 is about 827.0569912674.

The spelling of 565726225 in words is "five hundred sixty-five million, seven hundred twenty-six thousand, two hundred twenty-five".