256614053 has 8 divisors (see below), whose sum is σ = 260446848. Its totient is φ = 252789984.

The previous prime is 256614049. The next prime is 256614077. The reversal of 256614053 is 350416652.

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 256614053 - 2² = 256614049 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 (256614653) 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, 78926 + ... + 82112.

It is an arithmetic number, because the mean of its divisors is an integer number (32555856).

Almost surely, 2^256614053 is an apocalyptic number.

It is an amenable number.

256614053 is a deficient number, since it is larger than the sum of its proper divisors (3832795).

256614053 is a wasteful number, since it uses less digits than its factorization.

256614053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 256614053 is about 16019.1776630388. The cubic root of 256614053 is about 635.4676968585.

The spelling of 256614053 in words is "two hundred fifty-six million, six hundred fourteen thousand, fifty-three".