565901461 has 2 divisors, whose sum is σ = 565901462. Its totient is φ = 565901460.

The previous prime is 565901443. The next prime is 565901473. The reversal of 565901461 is 164109565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515562436 + 50339025 = 22706^2 + 7095^2 .

It is a cyclic number.

It is not a de Polignac number, because 565901461 - 2⁷ = 565901333 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 565901461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565901431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282950730 + 282950731.

It is an arithmetic number, because the mean of its divisors is an integer number (282950731).

Almost surely, 2^565901461 is an apocalyptic number.

It is an amenable number.

565901461 is a deficient number, since it is larger than the sum of its proper divisors (1).

565901461 is an equidigital number, since it uses as much as digits as its factorization.

565901461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 565901461 is about 23788.6834650428. The cubic root of 565901461 is about 827.1423772078.

The spelling of 565901461 in words is "five hundred sixty-five million, nine hundred one thousand, four hundred sixty-one".