104569489 has 2 divisors, whose sum is σ = 104569490. Its totient is φ = 104569488.

The previous prime is 104569481. The next prime is 104569519. The reversal of 104569489 is 984965401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73822464 + 30747025 = 8592^2 + 5545^2 .

It is a cyclic number.

It is not a de Polignac number, because 104569489 - 2³ = 104569481 is a prime.

It is a super-2 number, since 2×104569489² = 21869556059442242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104569481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52284744 + 52284745.

It is an arithmetic number, because the mean of its divisors is an integer number (52284745).

Almost surely, 2^104569489 is an apocalyptic number.

It is an amenable number.

104569489 is a deficient number, since it is larger than the sum of its proper divisors (1).

104569489 is an equidigital number, since it uses as much as digits as its factorization.

104569489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 104569489 is about 10225.9224033825. The cubic root of 104569489 is about 471.1237468283.

The spelling of 104569489 in words is "one hundred four million, five hundred sixty-nine thousand, four hundred eighty-nine".