256053085 has 8 divisors (see below), whose sum is σ = 307374336. Its totient is φ = 204768720.

The previous prime is 256053047. The next prime is 256053103. The reversal of 256053085 is 580350652.

It is a happy number.

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

It is not a de Polignac number, because 256053085 - 2⁷ = 256052957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 256053085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9520 + ... + 24550.

It is an arithmetic number, because the mean of its divisors is an integer number (38421792).

Almost surely, 2^256053085 is an apocalyptic number.

It is an amenable number.

256053085 is a deficient number, since it is larger than the sum of its proper divisors (51321251).

256053085 is a wasteful number, since it uses less digits than its factorization.

256053085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18443.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 256053085 is about 16001.6588202599. The cubic root of 256053085 is about 635.0043069127.

The spelling of 256053085 in words is "two hundred fifty-six million, fifty-three thousand, eighty-five".