561885067 has 2 divisors, whose sum is σ = 561885068. Its totient is φ = 561885066.

The previous prime is 561885041. The next prime is 561885089. The reversal of 561885067 is 760588165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561885067 - 2²³ = 553496459 is a prime.

It is not a weakly prime, because it can be changed into another prime (561885007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280942533 + 280942534.

It is an arithmetic number, because the mean of its divisors is an integer number (280942534).

Almost surely, 2^561885067 is an apocalyptic number.

561885067 is a deficient number, since it is larger than the sum of its proper divisors (1).

561885067 is an equidigital number, since it uses as much as digits as its factorization.

561885067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 561885067 is about 23704.1149803151. The cubic root of 561885067 is about 825.1808930549.

The spelling of 561885067 in words is "five hundred sixty-one million, eight hundred eighty-five thousand, sixty-seven".