2250191 has 4 divisors (see below), whose sum is σ = 2253384. Its totient is φ = 2247000.

The previous prime is 2250181. The next prime is 2250223. The reversal of 2250191 is 1910522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1910522 = 2 ⋅955261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2250191 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (563346).

2^2250191 is an apocalyptic number.

2250191 is a deficient number, since it is larger than the sum of its proper divisors (3193).

2250191 is a wasteful number, since it uses less digits than its factorization.

2250191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2250191 is about 1500.0636653156. The cubic root of 2250191 is about 131.0407774693.

The spelling of 2250191 in words is "two million, two hundred fifty thousand, one hundred ninety-one".