256535414 has 4 divisors (see below), whose sum is σ = 384803124. Its totient is φ = 128267706.

The previous prime is 256535387. The next prime is 256535417. The reversal of 256535414 is 414535652.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256535417) 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 as a sum of consecutive naturals, namely, 64133852 + ... + 64133855.

It is an arithmetic number, because the mean of its divisors is an integer number (96200781).

Almost surely, 2^256535414 is an apocalyptic number.

256535414 is a deficient number, since it is larger than the sum of its proper divisors (128267710).

256535414 is a wasteful number, since it uses less digits than its factorization.

256535414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128267709.

The product of its digits is 72000, while the sum is 35.

The square root of 256535414 is about 16016.7229482188. The cubic root of 256535414 is about 635.4027775122.

The spelling of 256535414 in words is "two hundred fifty-six million, five hundred thirty-five thousand, four hundred fourteen".