251196 has 36 divisors (see below), whose sum is σ = 647976. Its totient is φ = 75680.

The previous prime is 251191. The next prime is 251197. The reversal of 251196 is 691152.

251196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 14.

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 251196.

It is not an unprimeable number, because it can be changed into a prime (251191) by changing a digit.

251196 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 1366 + ... + 1538.

2²⁵¹¹⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 251196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323988).

251196 is an abundant number, since it is smaller than the sum of its proper divisors (396780).

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

251196 is a wasteful number, since it uses less digits than its factorization.

251196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 189 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 251196 is about 501.1945729954. The cubic root of 251196 is about 63.0963504276.

It can be divided in two parts, 25 and 1196, that added together give a palindrome (1221).

The spelling of 251196 in words is "two hundred fifty-one thousand, one hundred ninety-six".