565634745 has 128 divisors (see below), whose sum is σ = 1150571520. Its totient is φ = 264819456.

The previous prime is 565634743. The next prime is 565634747. The reversal of 565634745 is 547436565.

565634745 is a `hidden beast` number, since 5 + 6 + 5 + 634 + 7 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (565634743) and next prime (565634747).

It is not a de Polignac number, because 565634745 - 2¹ = 565634743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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

It is a self number, because there is not a number n which added to its sum of digits gives 565634745.

It is not an unprimeable number, because it can be changed into a prime (565634743) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 3269479 + ... + 3269651.

It is an arithmetic number, because the mean of its divisors is an integer number (8988840).

Almost surely, 2^565634745 is an apocalyptic number.

It is an amenable number.

565634745 is an abundant number, since it is smaller than the sum of its proper divisors (584936775).

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

565634745 is a wasteful number, since it uses less digits than its factorization.

565634745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 217 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 565634745 is about 23783.0768614996. The cubic root of 565634745 is about 827.0124094840.

It can be divided in two parts, 5656 and 34745, that added together give a square (40401 = 201²).

The spelling of 565634745 in words is "five hundred sixty-five million, six hundred thirty-four thousand, seven hundred forty-five".