256075 has 6 divisors (see below), whose sum is σ = 317564. Its totient is φ = 204840.

The previous prime is 256057. The next prime is 256079. The reversal of 256075 is 570652.

It is a happy number.

It is not a de Polignac number, because 256075 - 2⁷ = 255947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 10243 = 256075 / (2 + 5 + 6 + 0 + 7 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256079) 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, 5097 + ... + 5146.

2²⁵⁶⁰⁷⁵ is an apocalyptic number.

256075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256075 is a deficient number, since it is larger than the sum of its proper divisors (61489).

256075 is a wasteful number, since it uses less digits than its factorization.

256075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253 (or 10248 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 256075 is about 506.0385360820. The cubic root of 256075 is about 63.5022422586.

The spelling of 256075 in words is "two hundred fifty-six thousand, seventy-five".