104329681 has 2 divisors, whose sum is σ = 104329682. Its totient is φ = 104329680.

The previous prime is 104329657. The next prime is 104329699. The reversal of 104329681 is 186923401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65691025 + 38638656 = 8105^2 + 6216^2 .

It is a cyclic number.

It is not a de Polignac number, because 104329681 - 2⁵ = 104329649 is a prime.

It is a super-2 number, since 2×104329681² = 21769364675123522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104320681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52164840 + 52164841.

It is an arithmetic number, because the mean of its divisors is an integer number (52164841).

Almost surely, 2^104329681 is an apocalyptic number.

It is an amenable number.

104329681 is a deficient number, since it is larger than the sum of its proper divisors (1).

104329681 is an equidigital number, since it uses as much as digits as its factorization.

104329681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 104329681 is about 10214.1901783744. The cubic root of 104329681 is about 470.7633302944.

The spelling of 104329681 in words is "one hundred four million, three hundred twenty-nine thousand, six hundred eighty-one".