104288531 has 2 divisors, whose sum is σ = 104288532. Its totient is φ = 104288530.

The previous prime is 104288521. The next prime is 104288573. The reversal of 104288531 is 135882401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104288531 is a prime.

It is a super-2 number, since 2×104288531² = 21752195396275922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104288521) 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 as a sum of consecutive naturals, namely, 52144265 + 52144266.

It is an arithmetic number, because the mean of its divisors is an integer number (52144266).

Almost surely, 2^104288531 is an apocalyptic number.

104288531 is a deficient number, since it is larger than the sum of its proper divisors (1).

104288531 is an equidigital number, since it uses as much as digits as its factorization.

104288531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 104288531 is about 10212.1756252035. The cubic root of 104288531 is about 470.7014288990.

The spelling of 104288531 in words is "one hundred four million, two hundred eighty-eight thousand, five hundred thirty-one".