256096253 has 4 divisors (see below), whose sum is σ = 292681440. Its totient is φ = 219511068.

The previous prime is 256096229. The next prime is 256096319. The reversal of 256096253 is 352690652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 256096253 - 2¹⁶ = 256030717 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 (256096153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18292583 + ... + 18292596.

It is an arithmetic number, because the mean of its divisors is an integer number (73170360).

Almost surely, 2^256096253 is an apocalyptic number.

It is an amenable number.

256096253 is a deficient number, since it is larger than the sum of its proper divisors (36585187).

256096253 is an equidigital number, since it uses as much as digits as its factorization.

256096253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36585186.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 256096253 is about 16003.0076235688. The cubic root of 256096253 is about 635.0399900415.

The spelling of 256096253 in words is "two hundred fifty-six million, ninety-six thousand, two hundred fifty-three".