256968527 has 2 divisors, whose sum is σ = 256968528. Its totient is φ = 256968526.

The previous prime is 256968511. The next prime is 256968553. The reversal of 256968527 is 725869652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256968527 - 2⁴ = 256968511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256968577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128484263 + 128484264.

It is an arithmetic number, because the mean of its divisors is an integer number (128484264).

Almost surely, 2^256968527 is an apocalyptic number.

256968527 is a deficient number, since it is larger than the sum of its proper divisors (1).

256968527 is an equidigital number, since it uses as much as digits as its factorization.

256968527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 256968527 is about 16030.2378959266. The cubic root of 256968527 is about 635.7601634814.

The spelling of 256968527 in words is "two hundred fifty-six million, nine hundred sixty-eight thousand, five hundred twenty-seven".