104145317 has 2 divisors, whose sum is σ = 104145318. Its totient is φ = 104145316.

The previous prime is 104145259. The next prime is 104145319. The reversal of 104145317 is 713541401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102292996 + 1852321 = 10114^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 104145317 - 2⁶ = 104145253 is a prime.

Together with 104145319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104145319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52072658 + 52072659.

It is an arithmetic number, because the mean of its divisors is an integer number (52072659).

Almost surely, 2^104145317 is an apocalyptic number.

It is an amenable number.

104145317 is a deficient number, since it is larger than the sum of its proper divisors (1).

104145317 is an equidigital number, since it uses as much as digits as its factorization.

104145317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 104145317 is about 10205.1612922090. The cubic root of 104145317 is about 470.4858669553.

Adding to 104145317 its reverse (713541401), we get a palindrome (817686718).

The spelling of 104145317 in words is "one hundred four million, one hundred forty-five thousand, three hundred seventeen".