104533921 has 2 divisors, whose sum is σ = 104533922. Its totient is φ = 104533920.

The previous prime is 104533859. The next prime is 104533981. The reversal of 104533921 is 129335401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 2927521 = 10080^2 + 1711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104533921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104533921.

It is not a weakly prime, because it can be changed into another prime (104533981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52266960 + 52266961.

It is an arithmetic number, because the mean of its divisors is an integer number (52266961).

Almost surely, 2^104533921 is an apocalyptic number.

It is an amenable number.

104533921 is a deficient number, since it is larger than the sum of its proper divisors (1).

104533921 is an equidigital number, since it uses as much as digits as its factorization.

104533921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 104533921 is about 10224.1831458557. The cubic root of 104533921 is about 471.0703251600.

The spelling of 104533921 in words is "one hundred four million, five hundred thirty-three thousand, nine hundred twenty-one".