256046773 has 8 divisors (see below), whose sum is σ = 259054848. Its totient is φ = 253048944.

The previous prime is 256046761. The next prime is 256046801. The reversal of 256046773 is 377640652.

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

It is a cyclic number.

It is not a de Polignac number, because 256046773 - 2¹⁷ = 255915701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256046753) 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 7 ways as a sum of consecutive naturals, for example, 55140 + ... + 59602.

It is an arithmetic number, because the mean of its divisors is an integer number (32381856).

Almost surely, 2^256046773 is an apocalyptic number.

It is an amenable number.

256046773 is a deficient number, since it is larger than the sum of its proper divisors (3008075).

256046773 is a wasteful number, since it uses less digits than its factorization.

256046773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 256046773 is about 16001.4615894924. The cubic root of 256046773 is about 634.9990890102. Note that the first 3 decimals are identical.

The spelling of 256046773 in words is "two hundred fifty-six million, forty-six thousand, seven hundred seventy-three".