256050305 has 16 divisors (see below), whose sum is σ = 351421824. Its totient is φ = 175443840.

The previous prime is 256050293. The next prime is 256050307. The reversal of 256050305 is 503050652.

It is not a de Polignac number, because 256050305 - 2¹⁰ = 256049281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256050307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72869 + ... + 76301.

It is an arithmetic number, because the mean of its divisors is an integer number (21963864).

Almost surely, 2^256050305 is an apocalyptic number.

It is an amenable number.

256050305 is a deficient number, since it is larger than the sum of its proper divisors (95371519).

256050305 is a wasteful number, since it uses less digits than its factorization.

256050305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 256050305 is about 16001.5719540300. The cubic root of 256050305 is about 635.0020087977.

The spelling of 256050305 in words is "two hundred fifty-six million, fifty thousand, three hundred five".