104661593 has 2 divisors, whose sum is σ = 104661594. Its totient is φ = 104661592.

The previous prime is 104661559. The next prime is 104661619. The reversal of 104661593 is 395166401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104203264 + 458329 = 10208^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 104661593 - 2²⁰ = 103613017 is a prime.

It is not a weakly prime, because it can be changed into another prime (104651593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52330796 + 52330797.

It is an arithmetic number, because the mean of its divisors is an integer number (52330797).

Almost surely, 2^104661593 is an apocalyptic number.

It is an amenable number.

104661593 is a deficient number, since it is larger than the sum of its proper divisors (1).

104661593 is an equidigital number, since it uses as much as digits as its factorization.

104661593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 104661593 is about 10230.4248689876. The cubic root of 104661593 is about 471.2620269594.

The spelling of 104661593 in words is "one hundred four million, six hundred sixty-one thousand, five hundred ninety-three".