256202313 has 8 divisors (see below), whose sum is σ = 356455488. Its totient is φ = 163375344.

The previous prime is 256202281. The next prime is 256202339. The reversal of 256202313 is 313202652.

256202313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 256202313 - 2⁵ = 256202281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256202413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856470 + ... + 1856607.

It is an arithmetic number, because the mean of its divisors is an integer number (44556936).

Almost surely, 2^256202313 is an apocalyptic number.

256202313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

256202313 is a deficient number, since it is larger than the sum of its proper divisors (100253175).

256202313 is a wasteful number, since it uses less digits than its factorization.

256202313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713103.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 256202313 is about 16006.3210326421. The cubic root of 256202313 is about 635.1276433423.

Adding to 256202313 its reverse (313202652), we get a palindrome (569404965).

The spelling of 256202313 in words is "two hundred fifty-six million, two hundred two thousand, three hundred thirteen".