256014277 has 2 divisors, whose sum is σ = 256014278. Its totient is φ = 256014276.

The previous prime is 256014191. The next prime is 256014289. The reversal of 256014277 is 772410652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200675556 + 55338721 = 14166^2 + 7439^2 .

It is a cyclic number.

It is not a de Polignac number, because 256014277 - 2⁷ = 256014149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256014677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128007138 + 128007139.

It is an arithmetic number, because the mean of its divisors is an integer number (128007139).

Almost surely, 2^256014277 is an apocalyptic number.

It is an amenable number.

256014277 is a deficient number, since it is larger than the sum of its proper divisors (1).

256014277 is an equidigital number, since it uses as much as digits as its factorization.

256014277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 256014277 is about 16000.4461500297. The cubic root of 256014277 is about 634.9722243829.

The spelling of 256014277 in words is "two hundred fifty-six million, fourteen thousand, two hundred seventy-seven".