256613050 has 48 divisors (see below), whose sum is σ = 504610560. Its totient is φ = 96819840.

The previous prime is 256613039. The next prime is 256613051. The reversal of 256613050 is 50316652.

It is not an unprimeable number, because it can be changed into a prime (256613051) 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 23 ways as a sum of consecutive naturals, for example, 296919 + ... + 297781.

It is an arithmetic number, because the mean of its divisors is an integer number (10512720).

Almost surely, 2^256613050 is an apocalyptic number.

256613050 is a deficient number, since it is larger than the sum of its proper divisors (247997510).

256613050 is a wasteful number, since it uses less digits than its factorization.

256613050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 256613050 is about 16019.1463567819. The cubic root of 256613050 is about 635.4668689292.

The spelling of 256613050 in words is "two hundred fifty-six million, six hundred thirteen thousand, fifty".