2291063 has 2 divisors, whose sum is σ = 2291064. Its totient is φ = 2291062.

The previous prime is 2291041. The next prime is 2291119. The reversal of 2291063 is 3601922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2291063 - 2⁶ = 2290999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2291033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145531 + 1145532.

It is an arithmetic number, because the mean of its divisors is an integer number (1145532).

2^2291063 is an apocalyptic number.

2291063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2291063 is an equidigital number, since it uses as much as digits as its factorization.

2291063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2291063 is about 1513.6257793788. The cubic root of 2291063 is about 131.8294207691.

Adding to 2291063 its reverse (3601922), we get a palindrome (5892985).

The spelling of 2291063 in words is "two million, two hundred ninety-one thousand, sixty-three".