235713 has 4 divisors (see below), whose sum is σ = 314288. Its totient is φ = 157140.

The previous prime is 235699. The next prime is 235723. The reversal of 235713 is 317532.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-235713 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235713.

It is not an unprimeable number, because it can be changed into a prime (235723) 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, 39283 + ... + 39288.

It is an arithmetic number, because the mean of its divisors is an integer number (78572).

2²³⁵⁷¹³ is an apocalyptic number.

It is an amenable number.

235713 is a deficient number, since it is larger than the sum of its proper divisors (78575).

235713 is an equidigital number, since it uses as much as digits as its factorization.

235713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78574.

The product of its digits is 630, while the sum is 21.

The square root of 235713 is about 485.5028321236. The cubic root of 235713 is about 61.7724052293.

The spelling of 235713 in words is "two hundred thirty-five thousand, seven hundred thirteen".