250942 has 4 divisors (see below), whose sum is σ = 376416. Its totient is φ = 125470.

The previous prime is 250919. The next prime is 250949. The reversal of 250942 is 249052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250949) 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 as a sum of consecutive naturals, namely, 62734 + ... + 62737.

It is an arithmetic number, because the mean of its divisors is an integer number (94104).

2²⁵⁰⁹⁴² is an apocalyptic number.

250942 is a deficient number, since it is larger than the sum of its proper divisors (125474).

250942 is a wasteful number, since it uses less digits than its factorization.

250942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125473.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 250942 is about 500.9411143039. The cubic root of 250942 is about 63.0750763656.

Adding to 250942 its reverse (249052), we get a palindrome (499994).

The spelling of 250942 in words is "two hundred fifty thousand, nine hundred forty-two".