255250806 has 8 divisors (see below), whose sum is σ = 510501624. Its totient is φ = 85083600.

The previous prime is 255250783. The next prime is 255250811. The reversal of 255250806 is 608052552.

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

255250806 is an admirable number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 21270895 + ... + 21270906.

It is an arithmetic number, because the mean of its divisors is an integer number (63812703).

Almost surely, 2^255250806 is an apocalyptic number.

255250806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255250806 is a wasteful number, since it uses less digits than its factorization.

255250806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42541806.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 255250806 is about 15976.5705331276. The cubic root of 255250806 is about 634.3404034001.

The spelling of 255250806 in words is "two hundred fifty-five million, two hundred fifty thousand, eight hundred six".