256714265 has 4 divisors (see below), whose sum is σ = 308057124. Its totient is φ = 205371408.

The previous prime is 256714259. The next prime is 256714277. The reversal of 256714265 is 562417652.

256714265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73599241 + 183115024 = 8579^2 + 13532^2 .

It is a cyclic number.

It is not a de Polignac number, because 256714265 - 2¹⁰ = 256713241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25671422 + ... + 25671431.

It is an arithmetic number, because the mean of its divisors is an integer number (77014281).

Almost surely, 2^256714265 is an apocalyptic number.

It is an amenable number.

256714265 is a deficient number, since it is larger than the sum of its proper divisors (51342859).

256714265 is an equidigital number, since it uses as much as digits as its factorization.

256714265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51342858.

The product of its digits is 100800, while the sum is 38.

The square root of 256714265 is about 16022.3052336423. The cubic root of 256714265 is about 635.5504062819.

The spelling of 256714265 in words is "two hundred fifty-six million, seven hundred fourteen thousand, two hundred sixty-five".