256213484 has 12 divisors (see below), whose sum is σ = 449959944. Its totient is φ = 127653504.

The previous prime is 256213471. The next prime is 256213487. The reversal of 256213484 is 484312652.

256213484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256213487) 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, 112037 + ... + 114300.

It is an arithmetic number, because the mean of its divisors is an integer number (37496662).

Almost surely, 2^256213484 is an apocalyptic number.

It is an amenable number.

256213484 is a deficient number, since it is larger than the sum of its proper divisors (193746460).

256213484 is a wasteful number, since it uses less digits than its factorization.

256213484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226624 (or 226622 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 256213484 is about 16006.6699847282. The cubic root of 256213484 is about 635.1368742085.

The spelling of 256213484 in words is "two hundred fifty-six million, two hundred thirteen thousand, four hundred eighty-four".