256545014 has 16 divisors (see below), whose sum is σ = 421016400. Its totient is φ = 116273760.

The previous prime is 256545001. The next prime is 256545017. The reversal of 256545014 is 410545652.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256545017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9029 + ... + 24384.

It is an arithmetic number, because the mean of its divisors is an integer number (26313525).

Almost surely, 2^256545014 is an apocalyptic number.

256545014 is a deficient number, since it is larger than the sum of its proper divisors (164471386).

256545014 is a wasteful number, since it uses less digits than its factorization.

256545014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33775.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 256545014 is about 16017.0226321873. The cubic root of 256545014 is about 635.4107033712.

The spelling of 256545014 in words is "two hundred fifty-six million, five hundred forty-five thousand, fourteen".