256208546 has 48 divisors (see below), whose sum is σ = 444939264. Its totient is φ = 110352000.

The previous prime is 256208543. The next prime is 256208599. The reversal of 256208546 is 645802652.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256208543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062986 + ... + 1063226.

It is an arithmetic number, because the mean of its divisors is an integer number (9269568).

Almost surely, 2^256208546 is an apocalyptic number.

256208546 is a deficient number, since it is larger than the sum of its proper divisors (188730718).

256208546 is a wasteful number, since it uses less digits than its factorization.

256208546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 256208546 is about 16006.5157357871. The cubic root of 256208546 is about 635.1327938533.

It can be divided in two parts, 256 and 208546, that added together give a palindrome (208802).

The spelling of 256208546 in words is "two hundred fifty-six million, two hundred eight thousand, five hundred forty-six".