565416427 has 2 divisors, whose sum is σ = 565416428. Its totient is φ = 565416426.

The previous prime is 565416403. The next prime is 565416431. The reversal of 565416427 is 724614565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565416427 - 2¹⁵ = 565383659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 565416427.

It is not a weakly prime, because it can be changed into another prime (565416437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282708213 + 282708214.

It is an arithmetic number, because the mean of its divisors is an integer number (282708214).

Almost surely, 2^565416427 is an apocalyptic number.

565416427 is a deficient number, since it is larger than the sum of its proper divisors (1).

565416427 is an equidigital number, since it uses as much as digits as its factorization.

565416427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 565416427 is about 23778.4866423412. The cubic root of 565416427 is about 826.9059951527.

The spelling of 565416427 in words is "five hundred sixty-five million, four hundred sixteen thousand, four hundred twenty-seven".