256246611 has 16 divisors (see below), whose sum is σ = 359251200. Its totient is φ = 162150560.

The previous prime is 256246609. The next prime is 256246621. The reversal of 256246611 is 116642652.

It is a cyclic number.

It is not a de Polignac number, because 256246611 - 2¹ = 256246609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256246621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5136 + ... + 23213.

It is an arithmetic number, because the mean of its divisors is an integer number (22453200).

Almost surely, 2^256246611 is an apocalyptic number.

256246611 is a deficient number, since it is larger than the sum of its proper divisors (103004589).

256246611 is a wasteful number, since it uses less digits than its factorization.

256246611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28506.

The product of its digits is 17280, while the sum is 33.

The square root of 256246611 is about 16007.7047386563. The cubic root of 256246611 is about 635.1642462684.

The spelling of 256246611 in words is "two hundred fifty-six million, two hundred forty-six thousand, six hundred eleven".