250995 has 16 divisors (see below), whose sum is σ = 416160. Its totient is φ = 129024.

The previous prime is 250993. The next prime is 251003. The reversal of 250995 is 599052.

It is not a de Polignac number, because 250995 - 2¹ = 250993 is a prime.

250995 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250995.

It is not an unprimeable number, because it can be changed into a prime (250993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (26010).

2²⁵⁰⁹⁹⁵ is an apocalyptic number.

250995 is a deficient number, since it is larger than the sum of its proper divisors (165165).

250995 is a wasteful number, since it uses less digits than its factorization.

With its successor (250996) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (614).

250995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 250995 is about 500.9940119403. The cubic root of 250995 is about 63.0795166264.

The spelling of 250995 in words is "two hundred fifty thousand, nine hundred ninety-five".