250250785 has 16 divisors (see below), whose sum is σ = 304798032. Its totient is φ = 197222400.

The previous prime is 250250779. The next prime is 250250797. The reversal of 250250785 is 587052052.

It can be written as a sum of positive squares in 8 ways, for example, as 24770529 + 225480256 = 4977^2 + 15016^2 .

It is not a de Polignac number, because 250250785 - 2¹⁷ = 250119713 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 250250785.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115815 + ... + 117955.

It is an arithmetic number, because the mean of its divisors is an integer number (19049877).

Almost surely, 2^250250785 is an apocalyptic number.

It is an amenable number.

250250785 is a deficient number, since it is larger than the sum of its proper divisors (54547247).

250250785 is a wasteful number, since it uses less digits than its factorization.

250250785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 250250785 is about 15819.3168310139. The cubic root of 250250785 is about 630.1711007511.

The spelling of 250250785 in words is "two hundred fifty million, two hundred fifty thousand, seven hundred eighty-five".