256242602 has 16 divisors (see below), whose sum is σ = 479207232. Its totient is φ = 99834720.

The previous prime is 256242587. The next prime is 256242619. The reversal of 256242602 is 206242652.

It is a happy number.

It is an unprimeable number.

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, 831803 + ... + 832110.

It is an arithmetic number, because the mean of its divisors is an integer number (29950452).

Almost surely, 2^256242602 is an apocalyptic number.

256242602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

256242602 is a deficient number, since it is larger than the sum of its proper divisors (222964630).

256242602 is a wasteful number, since it uses less digits than its factorization.

256242602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663933.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 256242602 is about 16007.5795172162. The cubic root of 256242602 is about 635.1609338516.

The spelling of 256242602 in words is "two hundred fifty-six million, two hundred forty-two thousand, six hundred two".