104518517 has 2 divisors, whose sum is σ = 104518518. Its totient is φ = 104518516.

The previous prime is 104518507. The next prime is 104518541. The reversal of 104518517 is 715815401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104325796 + 192721 = 10214^2 + 439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104518517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104518507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52259258 + 52259259.

It is an arithmetic number, because the mean of its divisors is an integer number (52259259).

Almost surely, 2^104518517 is an apocalyptic number.

It is an amenable number.

104518517 is a deficient number, since it is larger than the sum of its proper divisors (1).

104518517 is an equidigital number, since it uses as much as digits as its factorization.

104518517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 104518517 is about 10223.4298060876. The cubic root of 104518517 is about 471.0471852271.

The spelling of 104518517 in words is "one hundred four million, five hundred eighteen thousand, five hundred seventeen".