256054603 has 4 divisors (see below), whose sum is σ = 292633840. Its totient is φ = 219475368.

The previous prime is 256054573. The next prime is 256054609. The reversal of 256054603 is 306450652.

256054603 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 not a de Polignac number, because 256054603 - 2¹⁷ = 255923531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256054609) 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, 18289608 + ... + 18289621.

It is an arithmetic number, because the mean of its divisors is an integer number (73158460).

Almost surely, 2^256054603 is an apocalyptic number.

256054603 is a deficient number, since it is larger than the sum of its proper divisors (36579237).

256054603 is an equidigital number, since it uses as much as digits as its factorization.

256054603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36579236.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 256054603 is about 16001.7062527719. The cubic root of 256054603 is about 635.0055617757.

The spelling of 256054603 in words is "two hundred fifty-six million, fifty-four thousand, six hundred three".