256265701 has 16 divisors (see below), whose sum is σ = 283855104. Its totient is φ = 230120704.

The previous prime is 256265689. The next prime is 256265707. The reversal of 256265701 is 107562652.

It is not a de Polignac number, because 256265701 - 2¹³ = 256257509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256265707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252471 + ... + 253483.

It is an arithmetic number, because the mean of its divisors is an integer number (17740944).

Almost surely, 2^256265701 is an apocalyptic number.

It is an amenable number.

256265701 is a deficient number, since it is larger than the sum of its proper divisors (27589403).

256265701 is a wasteful number, since it uses less digits than its factorization.

256265701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 256265701 is about 16008.3010029172. The cubic root of 256265701 is about 635.1800188144.

The spelling of 256265701 in words is "two hundred fifty-six million, two hundred sixty-five thousand, seven hundred one".