2291033 has 2 divisors, whose sum is σ = 2291034. Its totient is φ = 2291032.

The previous prime is 2291017. The next prime is 2291041. The reversal of 2291033 is 3301922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 322624 = 1403^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2291033 - 2⁴ = 2291017 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2290996 and 2291014.

It is not a weakly prime, because it can be changed into another prime (2291063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145516 + 1145517.

It is an arithmetic number, because the mean of its divisors is an integer number (1145517).

2^2291033 is an apocalyptic number.

It is an amenable number.

2291033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2291033 is an equidigital number, since it uses as much as digits as its factorization.

2291033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2291033 is about 1513.6158693671. The cubic root of 2291033 is about 131.8288453594.

Adding to 2291033 its reverse (3301922), we get a palindrome (5592955).

The spelling of 2291033 in words is "two million, two hundred ninety-one thousand, thirty-three".