256848259 has 4 divisors (see below), whose sum is σ = 256881016. Its totient is φ = 256815504.

The previous prime is 256848233. The next prime is 256848269. The reversal of 256848259 is 952848652.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 256848259 - 2⁵ = 256848227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256848269) 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, 3127 + ... + 22879.

It is an arithmetic number, because the mean of its divisors is an integer number (64220254).

Almost surely, 2^256848259 is an apocalyptic number.

256848259 is a deficient number, since it is larger than the sum of its proper divisors (32757).

256848259 is a wasteful number, since it uses less digits than its factorization.

256848259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32756.

The product of its digits is 1382400, while the sum is 49.

The square root of 256848259 is about 16026.4861713352. The cubic root of 256848259 is about 635.6609638686.

The spelling of 256848259 in words is "two hundred fifty-six million, eight hundred forty-eight thousand, two hundred fifty-nine".