564723461 has 2 divisors, whose sum is σ = 564723462. Its totient is φ = 564723460.

The previous prime is 564723457. The next prime is 564723469. The reversal of 564723461 is 164327465.

It is a happy number.

564723461 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., 557243236 + 7480225 = 23606^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 564723461 - 2² = 564723457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564723469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282361730 + 282361731.

It is an arithmetic number, because the mean of its divisors is an integer number (282361731).

Almost surely, 2^564723461 is an apocalyptic number.

It is an amenable number.

564723461 is a deficient number, since it is larger than the sum of its proper divisors (1).

564723461 is an equidigital number, since it uses as much as digits as its factorization.

564723461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 564723461 is about 23763.9108944635. The cubic root of 564723461 is about 826.5680424710.

The spelling of 564723461 in words is "five hundred sixty-four million, seven hundred twenty-three thousand, four hundred sixty-one".