564099461 has 2 divisors, whose sum is σ = 564099462. Its totient is φ = 564099460.

The previous prime is 564099439. The next prime is 564099517. The reversal of 564099461 is 164990465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553143361 + 10956100 = 23519^2 + 3310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564099461 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564096461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282049730 + 282049731.

It is an arithmetic number, because the mean of its divisors is an integer number (282049731).

Almost surely, 2^564099461 is an apocalyptic number.

It is an amenable number.

564099461 is a deficient number, since it is larger than the sum of its proper divisors (1).

564099461 is an equidigital number, since it uses as much as digits as its factorization.

564099461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 564099461 is about 23750.7781135692. The cubic root of 564099461 is about 826.2634871837.

The spelling of 564099461 in words is "five hundred sixty-four million, ninety-nine thousand, four hundred sixty-one".