256523327 has 8 divisors (see below), whose sum is σ = 261565200. Its totient is φ = 251504704.

The previous prime is 256523297. The next prime is 256523341. The reversal of 256523327 is 723325652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256523327 - 2⁶ = 256523263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256522327) 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 7 ways as a sum of consecutive naturals, for example, 17363 + ... + 28539.

It is an arithmetic number, because the mean of its divisors is an integer number (32695650).

Almost surely, 2^256523327 is an apocalyptic number.

256523327 is a deficient number, since it is larger than the sum of its proper divisors (5041873).

256523327 is a wasteful number, since it uses less digits than its factorization.

256523327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625.

The product of its digits is 75600, while the sum is 35.

The square root of 256523327 is about 16016.3456193977. The cubic root of 256523327 is about 635.3927980791.

Adding to 256523327 its reverse (723325652), we get a palindrome (979848979).

The spelling of 256523327 in words is "two hundred fifty-six million, five hundred twenty-three thousand, three hundred twenty-seven".