325139 has 4 divisors (see below), whose sum is σ = 326424. Its totient is φ = 323856.

The previous prime is 325133. The next prime is 325153. The reversal of 325139 is 931523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 325139 - 2¹⁶ = 259603 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 325139.

It is not an unprimeable number, because it can be changed into a prime (325133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 815.

It is an arithmetic number, because the mean of its divisors is an integer number (81606).

2³²⁵¹³⁹ is an apocalyptic number.

325139 is a deficient number, since it is larger than the sum of its proper divisors (1285).

325139 is an equidigital number, since it uses as much as digits as its factorization.

325139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its digits is 810, while the sum is 23.

The square root of 325139 is about 570.2096105819. The cubic root of 325139 is about 68.7632437296.

It can be divided in two parts, 325 and 139, that added together give a palindrome (464).

The spelling of 325139 in words is "three hundred twenty-five thousand, one hundred thirty-nine".