104287291 has 2 divisors, whose sum is σ = 104287292. Its totient is φ = 104287290.

The previous prime is 104287243. The next prime is 104287297. The reversal of 104287291 is 192782401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104287291 is a prime.

It is not a weakly prime, because it can be changed into another prime (104287297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52143645 + 52143646.

It is an arithmetic number, because the mean of its divisors is an integer number (52143646).

Almost surely, 2^104287291 is an apocalyptic number.

104287291 is a deficient number, since it is larger than the sum of its proper divisors (1).

104287291 is an equidigital number, since it uses as much as digits as its factorization.

104287291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 104287291 is about 10212.1149131803. The cubic root of 104287291 is about 470.6995633309.

The spelling of 104287291 in words is "one hundred four million, two hundred eighty-seven thousand, two hundred ninety-one".