256662083 has 4 divisors (see below), whose sum is σ = 267821328. Its totient is φ = 245502840.

The previous prime is 256662071. The next prime is 256662101. The reversal of 256662083 is 380266652.

256662083 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 is a cyclic number.

It is not a de Polignac number, because 256662083 - 2⁴ = 256662067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256662023) 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, 5579588 + ... + 5579633.

It is an arithmetic number, because the mean of its divisors is an integer number (66955332).

Almost surely, 2^256662083 is an apocalyptic number.

256662083 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

256662083 is a deficient number, since it is larger than the sum of its proper divisors (11159245).

256662083 is a wasteful number, since it uses less digits than its factorization.

256662083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159244.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 256662083 is about 16020.6767335216. The cubic root of 256662083 is about 635.5073408415.

The spelling of 256662083 in words is "two hundred fifty-six million, six hundred sixty-two thousand, eighty-three".