104657569 has 2 divisors, whose sum is σ = 104657570. Its totient is φ = 104657568.

The previous prime is 104657489. The next prime is 104657587. The reversal of 104657569 is 965756401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67897600 + 36759969 = 8240^2 + 6063^2 .

It is an emirp because it is prime and its reverse (965756401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104657569 - 2¹⁷ = 104526497 is a prime.

It is a super-2 number, since 2×104657569² = 21906413497979522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104657599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52328784 + 52328785.

It is an arithmetic number, because the mean of its divisors is an integer number (52328785).

Almost surely, 2^104657569 is an apocalyptic number.

It is an amenable number.

104657569 is a deficient number, since it is larger than the sum of its proper divisors (1).

104657569 is an equidigital number, since it uses as much as digits as its factorization.

104657569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 104657569 is about 10230.2281988233. The cubic root of 104657569 is about 471.2559872312.

The spelling of 104657569 in words is "one hundred four million, six hundred fifty-seven thousand, five hundred sixty-nine".