104492569 has 4 divisors (see below), whose sum is σ = 105417396. Its totient is φ = 103567744.

The previous prime is 104492513. The next prime is 104492581. The reversal of 104492569 is 965294401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4752400 + 99740169 = 2180^2 + 9987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104492569 is a prime.

It is a super-2 number, since 2×104492569² = 21837393952439522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104492369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462244 + ... + 462469.

It is an arithmetic number, because the mean of its divisors is an integer number (26354349).

Almost surely, 2^104492569 is an apocalyptic number.

It is an amenable number.

104492569 is a deficient number, since it is larger than the sum of its proper divisors (924827).

104492569 is an equidigital number, since it uses as much as digits as its factorization.

104492569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924826.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 104492569 is about 10222.1606815780. The cubic root of 104492569 is about 471.0082009261.

The spelling of 104492569 in words is "one hundred four million, four hundred ninety-two thousand, five hundred sixty-nine".