565506457 has 2 divisors, whose sum is σ = 565506458. Its totient is φ = 565506456.

The previous prime is 565506439. The next prime is 565506499. The reversal of 565506457 is 754605565.

565506457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371294361 + 194212096 = 19269^2 + 13936^2 .

It is a cyclic number.

It is not a de Polignac number, because 565506457 - 2²³ = 557117849 is a prime.

It is not a weakly prime, because it can be changed into another prime (565506407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282753228 + 282753229.

It is an arithmetic number, because the mean of its divisors is an integer number (282753229).

Almost surely, 2^565506457 is an apocalyptic number.

It is an amenable number.

565506457 is a deficient number, since it is larger than the sum of its proper divisors (1).

565506457 is an equidigital number, since it uses as much as digits as its factorization.

565506457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630000, while the sum is 43.

The square root of 565506457 is about 23780.3796647572. The cubic root of 565506457 is about 826.9498816243.

The spelling of 565506457 in words is "five hundred sixty-five million, five hundred six thousand, four hundred fifty-seven".