235256613 has 32 divisors (see below), whose sum is σ = 352665600. Its totient is φ = 138801600.

The previous prime is 235256603. The next prime is 235256617. The reversal of 235256613 is 316652532.

235256613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 235256613 - 2⁴ = 235256597 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 (235256617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48948 + ... + 53538.

It is an arithmetic number, because the mean of its divisors is an integer number (11020800).

Almost surely, 2^235256613 is an apocalyptic number.

It is an amenable number.

235256613 is a deficient number, since it is larger than the sum of its proper divisors (117408987).

235256613 is a wasteful number, since it uses less digits than its factorization.

235256613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673.

The product of its digits is 32400, while the sum is 33.

The square root of 235256613 is about 15338.0772263019. The cubic root of 235256613 is about 617.3251160520.

The spelling of 235256613 in words is "two hundred thirty-five million, two hundred fifty-six thousand, six hundred thirteen".