256201234 has 16 divisors (see below), whose sum is σ = 388201176. Its totient is φ = 126806400.

The previous prime is 256201207. The next prime is 256201243. The reversal of 256201234 is 432102652.

256201234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 170694225 + 85507009 = 13065^2 + 9247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 256201199 and 256201208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114244 + ... + 116464.

Almost surely, 2^256201234 is an apocalyptic number.

256201234 is a deficient number, since it is larger than the sum of its proper divisors (131999942).

256201234 is a wasteful number, since it uses less digits than its factorization.

256201234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 256201234 is about 16006.2873271724. The cubic root of 256201234 is about 635.1267517244.

Adding to 256201234 its reverse (432102652), we get a palindrome (688303886).

The spelling of 256201234 in words is "two hundred fifty-six million, two hundred one thousand, two hundred thirty-four".