256080375 has 24 divisors (see below), whose sum is σ = 461629584. Its totient is φ = 136575600.

The previous prime is 256080373. The next prime is 256080397. The reversal of 256080375 is 573080652.

It is not a de Polignac number, because 256080375 - 2¹ = 256080373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256080373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112689 + ... + 114938.

It is an arithmetic number, because the mean of its divisors is an integer number (19234566).

Almost surely, 2^256080375 is an apocalyptic number.

256080375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256080375 is a deficient number, since it is larger than the sum of its proper divisors (205549209).

256080375 is a wasteful number, since it uses less digits than its factorization.

256080375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227648 (or 227635 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 256080375 is about 16002.5115216331. The cubic root of 256080375 is about 635.0268655838.

The spelling of 256080375 in words is "two hundred fifty-six million, eighty thousand, three hundred seventy-five".