104517851 has 4 divisors (see below), whose sum is σ = 106289400. Its totient is φ = 102746304.

The previous prime is 104517839. The next prime is 104517857. The reversal of 104517851 is 158715401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158715401 = 13 ⋅12208877.

It is a cyclic number.

It is not a de Polignac number, because 104517851 - 2¹⁸ = 104255707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104517857) 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, 885686 + ... + 885803.

It is an arithmetic number, because the mean of its divisors is an integer number (26572350).

Almost surely, 2^104517851 is an apocalyptic number.

104517851 is a deficient number, since it is larger than the sum of its proper divisors (1771549).

104517851 is an equidigital number, since it uses as much as digits as its factorization.

104517851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771548.

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

The square root of 104517851 is about 10223.3972337966. The cubic root of 104517851 is about 471.0461847088.

The spelling of 104517851 in words is "one hundred four million, five hundred seventeen thousand, eight hundred fifty-one".