239525 has 24 divisors (see below), whose sum is σ = 354144. Its totient is φ = 158400.

The previous prime is 239521. The next prime is 239527. The reversal of 239525 is 525932.

It is not a de Polignac number, because 239525 - 2² = 239521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239494 and 239503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3542 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (14756).

2²³⁹⁵²⁵ is an apocalyptic number.

239525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239525 is a deficient number, since it is larger than the sum of its proper divisors (114619).

239525 is a wasteful number, since it uses less digits than its factorization.

239525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 96 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 239525 is about 489.4129136016. The cubic root of 239525 is about 62.1036248352.

The spelling of 239525 in words is "two hundred thirty-nine thousand, five hundred twenty-five".