564041531 has 2 divisors, whose sum is σ = 564041532. Its totient is φ = 564041530.

The previous prime is 564041519. The next prime is 564041549. The reversal of 564041531 is 135140465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564041531 - 2¹⁸ = 563779387 is a prime.

It is a super-2 number, since 2×564041531² = 636285697385647922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 564041494 and 564041503.

It is not a weakly prime, because it can be changed into another prime (564041131) 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, 282020765 + 282020766.

It is an arithmetic number, because the mean of its divisors is an integer number (282020766).

Almost surely, 2^564041531 is an apocalyptic number.

564041531 is a deficient number, since it is larger than the sum of its proper divisors (1).

564041531 is an equidigital number, since it uses as much as digits as its factorization.

564041531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 564041531 is about 23749.5585432656. The cubic root of 564041531 is about 826.2352019340.

Adding to 564041531 its reverse (135140465), we get a palindrome (699181996).

The spelling of 564041531 in words is "five hundred sixty-four million, forty-one thousand, five hundred thirty-one".