42360569 has 2 divisors, whose sum is σ = 42360570. Its totient is φ = 42360568.

The previous prime is 42360559. The next prime is 42360581. The reversal of 42360569 is 96506324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 16908544 = 5045^2 + 4112^2 .

It is a cyclic number.

It is not a de Polignac number, because 42360569 - 2²⁰ = 41311993 is a prime.

It is a super-2 number, since 2×42360569² = 3588835612007522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42360509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180284 + 21180285.

It is an arithmetic number, because the mean of its divisors is an integer number (21180285).

Almost surely, 2^42360569 is an apocalyptic number.

It is an amenable number.

42360569 is a deficient number, since it is larger than the sum of its proper divisors (1).

42360569 is an equidigital number, since it uses as much as digits as its factorization.

42360569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 42360569 is about 6508.4997503265. The cubic root of 42360569 is about 348.5945516376.

The spelling of 42360569 in words is "forty-two million, three hundred sixty thousand, five hundred sixty-nine".