104531 has 8 divisors (see below), whose sum is σ = 121440. Its totient is φ = 88128.

The previous prime is 104527. The next prime is 104537. The reversal of 104531 is 135401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104531 - 2² = 104527 is a prime.

It is a super-2 number, since 2×104531² = 21853459922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 831.

It is an arithmetic number, because the mean of its divisors is an integer number (15180).

2¹⁰⁴⁵³¹ is an apocalyptic number.

104531 is a deficient number, since it is larger than the sum of its proper divisors (16909).

104531 is a wasteful number, since it uses less digits than its factorization.

104531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 104531 is about 323.3125422869. The cubic root of 104531 is about 47.1065937400.

Adding to 104531 its reverse (135401), we get a palindrome (239932).

The spelling of 104531 in words is "one hundred four thousand, five hundred thirty-one".