104442251 has 2 divisors, whose sum is σ = 104442252. Its totient is φ = 104442250.

The previous prime is 104442229. The next prime is 104442263. The reversal of 104442251 is 152244401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104442251 - 2²² = 100247947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104442281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52221125 + 52221126.

It is an arithmetic number, because the mean of its divisors is an integer number (52221126).

Almost surely, 2^104442251 is an apocalyptic number.

104442251 is a deficient number, since it is larger than the sum of its proper divisors (1).

104442251 is an equidigital number, since it uses as much as digits as its factorization.

104442251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 104442251 is about 10219.6991638697. The cubic root of 104442251 is about 470.9325847168.

Adding to 104442251 its reverse (152244401), we get a palindrome (256686652).

The spelling of 104442251 in words is "one hundred four million, four hundred forty-two thousand, two hundred fifty-one".