232538 has 4 divisors (see below), whose sum is σ = 348810. Its totient is φ = 116268.

The previous prime is 232523. The next prime is 232549. The reversal of 232538 is 835232.

232538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 146689 + 85849 = 383^2 + 293^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58133 + ... + 58136.

2²³²⁵³⁸ is an apocalyptic number.

232538 is a deficient number, since it is larger than the sum of its proper divisors (116272).

232538 is a wasteful number, since it uses less digits than its factorization.

232538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116271.

The product of its digits is 1440, while the sum is 23.

The square root of 232538 is about 482.2219406041. The cubic root of 232538 is about 61.4937971579.

The spelling of 232538 in words is "two hundred thirty-two thousand, five hundred thirty-eight".