256350526233 has 4 divisors (see below), whose sum is σ = 341800701648. Its totient is φ = 170900350820.

The previous prime is 256350526099. The next prime is 256350526261. The reversal of 256350526233 is 332625053652.

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 a de Polignac number, because none of the positive numbers 2^k-256350526233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256350526273) 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, 42725087703 + ... + 42725087708.

It is an arithmetic number, because the mean of its divisors is an integer number (85450175412).

Almost surely, 2^256350526233 is an apocalyptic number.

It is an amenable number.

256350526233 is a deficient number, since it is larger than the sum of its proper divisors (85450175415).

256350526233 is an equidigital number, since it uses as much as digits as its factorization.

256350526233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85450175414.

The product of its (nonzero) digits is 972000, while the sum is 42.

Adding to 256350526233 its reverse (332625053652), we get a palindrome (588975579885).

The spelling of 256350526233 in words is "two hundred fifty-six billion, three hundred fifty million, five hundred twenty-six thousand, two hundred thirty-three".