104032531 has 2 divisors, whose sum is σ = 104032532. Its totient is φ = 104032530.

The previous prime is 104032529. The next prime is 104032547. The reversal of 104032531 is 135230401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104032531 - 2¹ = 104032529 is a prime.

It is a super-2 number, since 2×104032531² = 21645535012531922, which contains 22 as substring.

Together with 104032529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 104032499 and 104032508.

It is not a weakly prime, because it can be changed into another prime (104032501) 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, 52016265 + 52016266.

It is an arithmetic number, because the mean of its divisors is an integer number (52016266).

Almost surely, 2^104032531 is an apocalyptic number.

104032531 is a deficient number, since it is larger than the sum of its proper divisors (1).

104032531 is an equidigital number, since it uses as much as digits as its factorization.

104032531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 104032531 is about 10199.6338659777. The cubic root of 104032531 is about 470.3159652971.

Adding to 104032531 its reverse (135230401), we get a palindrome (239262932).

The spelling of 104032531 in words is "one hundred four million, thirty-two thousand, five hundred thirty-one".