2291327 has 2 divisors, whose sum is σ = 2291328. Its totient is φ = 2291326.

The previous prime is 2291287. The next prime is 2291347. The reversal of 2291327 is 7231922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2291327 - 2¹⁶ = 2225791 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2291296 and 2291305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2291347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145663 + 1145664.

It is an arithmetic number, because the mean of its divisors is an integer number (1145664).

2^2291327 is an apocalyptic number.

2291327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2291327 is an equidigital number, since it uses as much as digits as its factorization.

2291327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 2291327 is about 1513.7129846837. The cubic root of 2291327 is about 131.8344841582.

The spelling of 2291327 in words is "two million, two hundred ninety-one thousand, three hundred twenty-seven".