565425 has 36 divisors (see below), whose sum is σ = 1160640. Its totient is φ = 257760.

The previous prime is 565393. The next prime is 565427. The reversal of 565425 is 524565.

565425 is a `hidden beast` number, since 5 + 654 + 2 + 5 = 666.

It is not a de Polignac number, because 565425 - 2⁵ = 565393 is a prime.

It is a super-3 number, since 3×565425³ = 542308329333421875, which contains 333 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 565425.

It is not an unprimeable number, because it can be changed into a prime (565427) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1396 + ... + 1754.

It is an arithmetic number, because the mean of its divisors is an integer number (32240).

2⁵⁶⁵⁴²⁵ is an apocalyptic number.

It is an amenable number.

565425 is an abundant number, since it is smaller than the sum of its proper divisors (595215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565425 is a wasteful number, since it uses less digits than its factorization.

565425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 374 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 565425 is about 751.9474715697. The cubic root of 565425 is about 82.6910174391.

It can be divided in two parts, 565 and 425, that added together give a triangular number (990 = T₄₄).

The spelling of 565425 in words is "five hundred sixty-five thousand, four hundred twenty-five".