250728801 has 16 divisors (see below), whose sum is σ = 357626304. Its totient is φ = 155695104.

The previous prime is 250728799. The next prime is 250728827. The reversal of 250728801 is 108827052.

It is not a de Polignac number, because 250728801 - 2¹ = 250728799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250728851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20395 + ... + 30288.

It is an arithmetic number, because the mean of its divisors is an integer number (22351644).

Almost surely, 2^250728801 is an apocalyptic number.

It is an amenable number.

250728801 is a deficient number, since it is larger than the sum of its proper divisors (106897503).

250728801 is a wasteful number, since it uses less digits than its factorization.

250728801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50800.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 250728801 is about 15834.4182400239. The cubic root of 250728801 is about 630.5720855380.

The spelling of 250728801 in words is "two hundred fifty million, seven hundred twenty-eight thousand, eight hundred one".