232257 has 4 divisors (see below), whose sum is σ = 309680. Its totient is φ = 154836.

The previous prime is 232217. The next prime is 232259. The reversal of 232257 is 752232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 232257 - 2⁷ = 232129 is a prime.

It is a D-number.

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 232257.

It is not an unprimeable number, because it can be changed into a prime (232259) 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, 38707 + ... + 38712.

It is an arithmetic number, because the mean of its divisors is an integer number (77420).

2²³²²⁵⁷ is an apocalyptic number.

It is an amenable number.

232257 is a deficient number, since it is larger than the sum of its proper divisors (77423).

232257 is an equidigital number, since it uses as much as digits as its factorization.

232257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77422.

The product of its digits is 840, while the sum is 21.

The square root of 232257 is about 481.9304929137. The cubic root of 232257 is about 61.4690173771.

Adding to 232257 its reverse (752232), we get a palindrome (984489).

It can be divided in two parts, 23225 and 7, that added together give a palindrome (23232).

The spelling of 232257 in words is "two hundred thirty-two thousand, two hundred fifty-seven".