104213651 has 4 divisors (see below), whose sum is σ = 109698600. Its totient is φ = 98728704.

The previous prime is 104213633. The next prime is 104213653. The reversal of 104213651 is 156312401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104213651 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (104213653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742446 + ... + 2742483.

It is an arithmetic number, because the mean of its divisors is an integer number (27424650).

Almost surely, 2^104213651 is an apocalyptic number.

104213651 is a deficient number, since it is larger than the sum of its proper divisors (5484949).

104213651 is an equidigital number, since it uses as much as digits as its factorization.

104213651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484948.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 104213651 is about 10208.5087549553. The cubic root of 104213651 is about 470.5887461278.

The spelling of 104213651 in words is "one hundred four million, two hundred thirteen thousand, six hundred fifty-one".