256553230 has 16 divisors (see below), whose sum is σ = 463286304. Its totient is φ = 102290080.

The previous prime is 256553207. The next prime is 256553233. The reversal of 256553230 is 32355652.

256553230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256553192 and 256553201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256553233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38137 + ... + 44356.

It is an arithmetic number, because the mean of its divisors is an integer number (28955394).

Almost surely, 2^256553230 is an apocalyptic number.

256553230 is a deficient number, since it is larger than the sum of its proper divisors (206733074).

256553230 is a wasteful number, since it uses less digits than its factorization.

256553230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82811.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 256553230 is about 16017.2791072641. The cubic root of 256553230 is about 635.4174864285.

The spelling of 256553230 in words is "two hundred fifty-six million, five hundred fifty-three thousand, two hundred thirty".