256376211 has 96 divisors (see below), whose sum is σ = 455362560. Its totient is φ = 125379072.

The previous prime is 256376179. The next prime is 256376213. The reversal of 256376211 is 112673652.

It is not a de Polignac number, because 256376211 - 2⁵ = 256376179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256376213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4837261 + ... + 4837313.

It is an arithmetic number, because the mean of its divisors is an integer number (4743360).

Almost surely, 2^256376211 is an apocalyptic number.

256376211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

256376211 is a deficient number, since it is larger than the sum of its proper divisors (198986349).

256376211 is a wasteful number, since it uses less digits than its factorization.

256376211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 152 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 256376211 is about 16011.7522776241. The cubic root of 256376211 is about 635.2713090340.

The spelling of 256376211 in words is "two hundred fifty-six million, three hundred seventy-six thousand, two hundred eleven".