2250091 has 2 divisors, whose sum is σ = 2250092. Its totient is φ = 2250090.

The previous prime is 2250089. The next prime is 2250119. The reversal of 2250091 is 1900522.

2250091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2250091 - 2¹ = 2250089 is a prime.

Together with 2250089, it forms a pair of twin primes.

2250091 is a lucky number.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (2250041) 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, 1125045 + 1125046.

It is an arithmetic number, because the mean of its divisors is an integer number (1125046).

2^2250091 is an apocalyptic number.

2250091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250091 is an equidigital number, since it uses as much as digits as its factorization.

2250091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2250091 is about 1500.0303330266. The cubic root of 2250091 is about 131.0388362605.

The spelling of 2250091 in words is "two million, two hundred fifty thousand, ninety-one".