235256253 has 4 divisors (see below), whose sum is σ = 313675008. Its totient is φ = 156837500.

The previous prime is 235256243. The next prime is 235256269. The reversal of 235256253 is 352652532.

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 cyclic number.

It is not a de Polignac number, because 235256253 - 2⁵ = 235256221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235256243) 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, 39209373 + ... + 39209378.

It is an arithmetic number, because the mean of its divisors is an integer number (78418752).

Almost surely, 2^235256253 is an apocalyptic number.

It is an amenable number.

235256253 is a deficient number, since it is larger than the sum of its proper divisors (78418755).

235256253 is an equidigital number, since it uses as much as digits as its factorization.

235256253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78418754.

The product of its digits is 54000, while the sum is 33.

The square root of 235256253 is about 15338.0654907977. The cubic root of 235256253 is about 617.3248011658.

The spelling of 235256253 in words is "two hundred thirty-five million, two hundred fifty-six thousand, two hundred fifty-three".