104569009 has 2 divisors, whose sum is σ = 104569010. Its totient is φ = 104569008.

The previous prime is 104568941. The next prime is 104569021. The reversal of 104569009 is 900965401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104346225 + 222784 = 10215^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 104569009 - 2¹⁷ = 104437937 is a prime.

It is not a weakly prime, because it can be changed into another prime (104569079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52284504 + 52284505.

It is an arithmetic number, because the mean of its divisors is an integer number (52284505).

Almost surely, 2^104569009 is an apocalyptic number.

It is an amenable number.

104569009 is a deficient number, since it is larger than the sum of its proper divisors (1).

104569009 is an equidigital number, since it uses as much as digits as its factorization.

104569009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 104569009 is about 10225.8989335901. The cubic root of 104569009 is about 471.1230259688.

The spelling of 104569009 in words is "one hundred four million, five hundred sixty-nine thousand, nine".