256345235 has 8 divisors (see below), whose sum is σ = 320988960. Its totient is φ = 196159744.

The previous prime is 256345223. The next prime is 256345247. The reversal of 256345235 is 532543652.

256345235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256345223) and next prime (256345247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256345235 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256345195 and 256345204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114430 + ... + 1114659.

It is an arithmetic number, because the mean of its divisors is an integer number (40123620).

Almost surely, 2^256345235 is an apocalyptic number.

256345235 is a deficient number, since it is larger than the sum of its proper divisors (64643725).

256345235 is a wasteful number, since it uses less digits than its factorization.

256345235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229117.

The product of its digits is 108000, while the sum is 35.

The square root of 256345235 is about 16010.7849588957. The cubic root of 256345235 is about 635.2457229931.

Adding to 256345235 its reverse (532543652), we get a palindrome (788888887).

The spelling of 256345235 in words is "two hundred fifty-six million, three hundred forty-five thousand, two hundred thirty-five".