256725127 has 4 divisors (see below), whose sum is σ = 257092056. Its totient is φ = 256358200.

The previous prime is 256725121. The next prime is 256725181. The reversal of 256725127 is 721527652.

256725127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 256725127 - 2⁷ = 256724999 is a prime.

It is a super-2 number, since 2×256725127² = 131815581666332258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256725121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182413 + ... + 183814.

It is an arithmetic number, because the mean of its divisors is an integer number (64273014).

Almost surely, 2^256725127 is an apocalyptic number.

256725127 is a deficient number, since it is larger than the sum of its proper divisors (366929).

256725127 is an equidigital number, since it uses as much as digits as its factorization.

256725127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366928.

The product of its digits is 58800, while the sum is 37.

The square root of 256725127 is about 16022.6441950135. The cubic root of 256725127 is about 635.5593698809.

The spelling of 256725127 in words is "two hundred fifty-six million, seven hundred twenty-five thousand, one hundred twenty-seven".