256207 has 8 divisors (see below), whose sum is σ = 310176. Its totient is φ = 206592.

The previous prime is 256199. The next prime is 256211. The reversal of 256207 is 702652.

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 256207 - 2³ = 256199 is a prime.

It is a Duffinian number.

256207 is a lucky number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256307) 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, 958 + ... + 1195.

It is an arithmetic number, because the mean of its divisors is an integer number (38772).

2²⁵⁶²⁰⁷ is an apocalyptic number.

256207 is a deficient number, since it is larger than the sum of its proper divisors (53969).

256207 is a wasteful number, since it uses less digits than its factorization.

256207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 256207 is about 506.1689441283. The cubic root of 256207 is about 63.5131516356.

Adding to 256207 its reverse (702652), we get a palindrome (958859).

The spelling of 256207 in words is "two hundred fifty-six thousand, two hundred seven".