564346087 has 2 divisors, whose sum is σ = 564346088. Its totient is φ = 564346086.

The previous prime is 564346073. The next prime is 564346091. The reversal of 564346087 is 780643465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564346087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564346487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282173043 + 282173044.

It is an arithmetic number, because the mean of its divisors is an integer number (282173044).

Almost surely, 2^564346087 is an apocalyptic number.

564346087 is a deficient number, since it is larger than the sum of its proper divisors (1).

564346087 is an equidigital number, since it uses as much as digits as its factorization.

564346087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 564346087 is about 23755.9695024219. The cubic root of 564346087 is about 826.3838846093.

The spelling of 564346087 in words is "five hundred sixty-four million, three hundred forty-six thousand, eighty-seven".