48531 has 8 divisors (see below), whose sum is σ = 73984. Its totient is φ = 27720.

The previous prime is 48527. The next prime is 48533. The reversal of 48531 is 13584.

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

It is not a de Polignac number, because 48531 - 2² = 48527 is a prime.

It is a super-2 number, since 2×48531² = 4710515922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2311 = 48531 / (4 + 8 + 5 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48498 and 48507.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 48531.

It is not an unprimeable number, because it can be changed into a prime (48533) 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, 1135 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (9248).

2⁴⁸⁵³¹ is an apocalyptic number.

48531 is a deficient number, since it is larger than the sum of its proper divisors (25453).

48531 is a wasteful number, since it uses less digits than its factorization.

48531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its digits is 480, while the sum is 21.

The square root of 48531 is about 220.2975260869. The cubic root of 48531 is about 36.4759333436.

The spelling of 48531 in words is "forty-eight thousand, five hundred thirty-one".