250641 has 8 divisors (see below), whose sum is σ = 371360. Its totient is φ = 167076.

The previous prime is 250619. The next prime is 250643. The reversal of 250641 is 146052.

It is a happy number.

250641 is a `hidden beast` number, since 25 + 0 + 641 = 666.

250641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250641 - 2¹¹ = 248593 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250641.

It is not an unprimeable number, because it can be changed into a prime (250643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4615 + ... + 4668.

It is an arithmetic number, because the mean of its divisors is an integer number (46420).

2²⁵⁰⁶⁴¹ is an apocalyptic number.

It is an amenable number.

250641 is a deficient number, since it is larger than the sum of its proper divisors (120719).

250641 is an equidigital number, since it uses as much as digits as its factorization.

250641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292 (or 9286 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 250641 is about 500.6405896449. The cubic root of 250641 is about 63.0498471706.

Adding to 250641 its reverse (146052), we get a palindrome (396693).

The spelling of 250641 in words is "two hundred fifty thousand, six hundred forty-one".