256231041 has 32 divisors (see below), whose sum is σ = 383063040. Its totient is φ = 151032000.

The previous prime is 256231033. The next prime is 256231067. The reversal of 256231041 is 140132652.

It is not a de Polignac number, because 256231041 - 2³ = 256231033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256231741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195996 + ... + 197298.

It is an arithmetic number, because the mean of its divisors is an integer number (11970720).

Almost surely, 2^256231041 is an apocalyptic number.

It is an amenable number.

256231041 is a deficient number, since it is larger than the sum of its proper divisors (126831999).

256231041 is a wasteful number, since it uses less digits than its factorization.

256231041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 256231041 is about 16007.2184029581. The cubic root of 256231041 is about 635.1513814379.

Adding to 256231041 its reverse (140132652), we get a palindrome (396363693).

The spelling of 256231041 in words is "two hundred fifty-six million, two hundred thirty-one thousand, forty-one".