2391583 has 2 divisors, whose sum is σ = 2391584. Its totient is φ = 2391582.

The previous prime is 2391559. The next prime is 2391589. The reversal of 2391583 is 3851932.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2391583 - 2⁹ = 2391071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2391589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195791 + 1195792.

It is an arithmetic number, because the mean of its divisors is an integer number (1195792).

2^2391583 is an apocalyptic number.

2391583 is a deficient number, since it is larger than the sum of its proper divisors (1).

2391583 is an equidigital number, since it uses as much as digits as its factorization.

2391583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2391583 is about 1546.4743774146. The cubic root of 2391583 is about 133.7298895434.

The spelling of 2391583 in words is "two million, three hundred ninety-one thousand, five hundred eighty-three".