564061651 has 2 divisors, whose sum is σ = 564061652. Its totient is φ = 564061650.

The previous prime is 564061643. The next prime is 564061657. The reversal of 564061651 is 156160465.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564061651 - 2³ = 564061643 is a prime.

It is a super-2 number, since 2×564061651² = 636331092257691602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (564061657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282030825 + 282030826.

It is an arithmetic number, because the mean of its divisors is an integer number (282030826).

Almost surely, 2^564061651 is an apocalyptic number.

564061651 is a deficient number, since it is larger than the sum of its proper divisors (1).

564061651 is an equidigital number, since it uses as much as digits as its factorization.

564061651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 564061651 is about 23749.9821263091. The cubic root of 564061651 is about 826.2450260655.

It can be divided in two parts, 56 and 4061651, that multiplied together give a triangular number (227452456 = T₂₁₃₂₈).

The spelling of 564061651 in words is "five hundred sixty-four million, sixty-one thousand, six hundred fifty-one".