256254265 has 8 divisors (see below), whose sum is σ = 311836608. Its totient is φ = 202115760.

The previous prime is 256254259. The next prime is 256254269. The reversal of 256254265 is 562452652.

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

It is not a de Polignac number, because 256254265 - 2⁵ = 256254233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256254269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360567 + ... + 361276.

It is an arithmetic number, because the mean of its divisors is an integer number (38979576).

Almost surely, 2^256254265 is an apocalyptic number.

It is an amenable number.

256254265 is a deficient number, since it is larger than the sum of its proper divisors (55582343).

256254265 is an equidigital number, since it uses as much as digits as its factorization.

256254265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721919.

The product of its digits is 144000, while the sum is 37.

The square root of 256254265 is about 16007.9438092467. The cubic root of 256254265 is about 635.1705702528.

It can be divided in two parts, 25625 and 4265, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 256254265 in words is "two hundred fifty-six million, two hundred fifty-four thousand, two hundred sixty-five".