256052211 has 8 divisors (see below), whose sum is σ = 341592720. Its totient is φ = 170606592.

The previous prime is 256052201. The next prime is 256052221. The reversal of 256052211 is 112250652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (256052201) and next prime (256052221).

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

It is not a de Polignac number, because 256052211 - 2⁹ = 256051699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256052201) 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, 17166 + ... + 28403.

It is an arithmetic number, because the mean of its divisors is an integer number (42699090).

Almost surely, 2^256052211 is an apocalyptic number.

256052211 is a deficient number, since it is larger than the sum of its proper divisors (85540509).

256052211 is a wasteful number, since it uses less digits than its factorization.

256052211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47445.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 256052211 is about 16001.6315105679. The cubic root of 256052211 is about 635.0035844136.

The spelling of 256052211 in words is "two hundred fifty-six million, fifty-two thousand, two hundred eleven".