256032113 has 8 divisors (see below), whose sum is σ = 268660800. Its totient is φ = 243528208.

The previous prime is 256032109. The next prime is 256032137. The reversal of 256032113 is 311230652.

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

It is a cyclic number.

It is not a de Polignac number, because 256032113 - 2² = 256032109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (256032143) 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, 26978 + ... + 35211.

It is an arithmetic number, because the mean of its divisors is an integer number (33582600).

Almost surely, 2^256032113 is an apocalyptic number.

256032113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

256032113 is a deficient number, since it is larger than the sum of its proper divisors (12628687).

256032113 is a wasteful number, since it uses less digits than its factorization.

256032113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62391.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 256032113 is about 16001.0034997809. The cubic root of 256032113 is about 634.9869697866.

Adding to 256032113 its reverse (311230652), we get a palindrome (567262765).

The spelling of 256032113 in words is "two hundred fifty-six million, thirty-two thousand, one hundred thirteen".