256034225 has 6 divisors (see below), whose sum is σ = 317482470. Its totient is φ = 204827360.

The previous prime is 256034209. The next prime is 256034227. The reversal of 256034225 is 522430652.

256034225 is digitally balanced in base 2, 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 3 ways, for example, as 89340304 + 166693921 = 9452^2 + 12911^2 .

It is not a de Polignac number, because 256034225 - 2⁴ = 256034209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (256034227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5120660 + ... + 5120709.

It is an arithmetic number, because the mean of its divisors is an integer number (52913745).

Almost surely, 2^256034225 is an apocalyptic number.

256034225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

256034225 is a deficient number, since it is larger than the sum of its proper divisors (61448245).

256034225 is a wasteful number, since it uses less digits than its factorization.

256034225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241379 (or 10241374 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 256034225 is about 16001.0694955056. The cubic root of 256034225 is about 634.9887157769.

Adding to 256034225 its reverse (522430652), we get a palindrome (778464877).

The spelling of 256034225 in words is "two hundred fifty-six million, thirty-four thousand, two hundred twenty-five".