256073075 has 12 divisors (see below), whose sum is σ = 318000480. Its totient is φ = 204555360.

The previous prime is 256073071. The next prime is 256073087. The reversal of 256073075 is 570370652.

It is not a de Polignac number, because 256073075 - 2² = 256073071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256073071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10502 + ... + 24948.

It is an arithmetic number, because the mean of its divisors is an integer number (26500040).

Almost surely, 2^256073075 is an apocalyptic number.

256073075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256073075 is a deficient number, since it is larger than the sum of its proper divisors (61927405).

256073075 is a wasteful number, since it uses less digits than its factorization.

256073075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166 (or 15161 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 256073075 is about 16002.2834308107. The cubic root of 256073075 is about 635.0208313583.

It can be divided in two parts, 25607 and 3075, that added together give a palindrome (28682).

The spelling of 256073075 in words is "two hundred fifty-six million, seventy-three thousand, seventy-five".