565766413 has 4 divisors (see below), whose sum is σ = 566451360. Its totient is φ = 565081468.

The previous prime is 565766407. The next prime is 565766417. The reversal of 565766413 is 314667565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565766413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 565766413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565766417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341233 + ... + 342886.

It is an arithmetic number, because the mean of its divisors is an integer number (141612840).

Almost surely, 2^565766413 is an apocalyptic number.

It is an amenable number.

565766413 is a deficient number, since it is larger than the sum of its proper divisors (684947).

565766413 is an equidigital number, since it uses as much as digits as its factorization.

565766413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684946.

The product of its digits is 453600, while the sum is 43.

The square root of 565766413 is about 23785.8448031597. The cubic root of 565766413 is about 827.0765749328.

The spelling of 565766413 in words is "five hundred sixty-five million, seven hundred sixty-six thousand, four hundred thirteen".