256248006 has 32 divisors (see below), whose sum is σ = 586215168. Its totient is φ = 73150560.

The previous prime is 256247993. The next prime is 256248043. The reversal of 256248006 is 600842652.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70596 + ... + 74136.

It is an arithmetic number, because the mean of its divisors is an integer number (18319224).

Almost surely, 2^256248006 is an apocalyptic number.

256248006 is an abundant number, since it is smaller than the sum of its proper divisors (329967162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256248006 is a wasteful number, since it uses less digits than its factorization.

256248006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 256248006 is about 16007.7483113647. The cubic root of 256248006 is about 635.1653988723.

The spelling of 256248006 in words is "two hundred fifty-six million, two hundred forty-eight thousand, six".