250850001 has 4 divisors (see below), whose sum is σ = 334466672. Its totient is φ = 167233332.

The previous prime is 250849999. The next prime is 250850009. The reversal of 250850001 is 100058052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 250850001 - 2¹ = 250849999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250850001.

It is not an unprimeable number, because it can be changed into a prime (250850009) 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 3 ways as a sum of consecutive naturals, for example, 41808331 + ... + 41808336.

It is an arithmetic number, because the mean of its divisors is an integer number (83616668).

Almost surely, 2^250850001 is an apocalyptic number.

It is an amenable number.

250850001 is a deficient number, since it is larger than the sum of its proper divisors (83616671).

250850001 is an equidigital number, since it uses as much as digits as its factorization.

250850001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83616670.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 250850001 is about 15838.2448838247. The cubic root of 250850001 is about 630.6736734227.

The spelling of 250850001 in words is "two hundred fifty million, eight hundred fifty thousand, one".