4256279 has 4 divisors (see below), whose sum is σ = 4267776. Its totient is φ = 4244784.

The previous prime is 4256267. The next prime is 4256281. The reversal of 4256279 is 9726524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4256279 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁹ + 5 + 6⁶ + 2¹³ + 7² + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256249) 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, 5174 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (1066944).

Almost surely, 2^4256279 is an apocalyptic number.

4256279 is a deficient number, since it is larger than the sum of its proper divisors (11497).

4256279 is a wasteful number, since it uses less digits than its factorization.

4256279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496.

The product of its digits is 30240, while the sum is 35.

The square root of 4256279 is about 2063.0751319329. The cubic root of 4256279 is about 162.0603214878.

The spelling of 4256279 in words is "four million, two hundred fifty-six thousand, two hundred seventy-nine".