250842 has 16 divisors (see below), whose sum is σ = 508032. Its totient is φ = 82560.

The previous prime is 250841. The next prime is 250853. The reversal of 250842 is 248052.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250842.

It is not an unprimeable number, because it can be changed into a prime (250841) 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, 367 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2²⁵⁰⁸⁴² is an apocalyptic number.

250842 is an abundant number, since it is smaller than the sum of its proper divisors (257190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250842 is a wasteful number, since it uses less digits than its factorization.

250842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 250842 is about 500.8412922274. The cubic root of 250842 is about 63.0666968123.

Adding to 250842 its reverse (248052), we get a palindrome (498894).

The spelling of 250842 in words is "two hundred fifty thousand, eight hundred forty-two".