256832211 has 8 divisors (see below), whose sum is σ = 342963664. Its totient is φ = 170961120.

The previous prime is 256832203. The next prime is 256832221. The reversal of 256832211 is 112238652.

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

It is not a de Polignac number, because 256832211 - 2³ = 256832203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256832221) 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, 62776 + ... + 66741.

It is an arithmetic number, because the mean of its divisors is an integer number (42870458).

Almost surely, 2^256832211 is an apocalyptic number.

256832211 is a deficient number, since it is larger than the sum of its proper divisors (86131453).

256832211 is a wasteful number, since it uses less digits than its factorization.

256832211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130181.

The product of its digits is 5760, while the sum is 30.

The square root of 256832211 is about 16025.9854923184. The cubic root of 256832211 is about 635.6477247942.

The spelling of 256832211 in words is "two hundred fifty-six million, eight hundred thirty-two thousand, two hundred eleven".