565878325 has 12 divisors (see below), whose sum is σ = 702923140. Its totient is φ = 451906560.

The previous prime is 565878317. The next prime is 565878347. The reversal of 565878325 is 523878565.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 168194961 + 397683364 = 12969^2 + 19942^2 .

It is not a de Polignac number, because 565878325 - 2³ = 565878317 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

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, 5190 + ... + 34039.

Almost surely, 2^565878325 is an apocalyptic number.

It is an amenable number.

565878325 is a deficient number, since it is larger than the sum of its proper divisors (137044815).

565878325 is a wasteful number, since it uses less digits than its factorization.

565878325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39816 (or 39811 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 49.

The square root of 565878325 is about 23788.1971784328. The cubic root of 565878325 is about 827.1311049115.

The spelling of 565878325 in words is "five hundred sixty-five million, eight hundred seventy-eight thousand, three hundred twenty-five".