2030591 has 2 divisors, whose sum is σ = 2030592. Its totient is φ = 2030590.

The previous prime is 2030573. The next prime is 2030617. The reversal of 2030591 is 1950302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2030591 - 2⁶ = 2030527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015295 + 1015296.

It is an arithmetic number, because the mean of its divisors is an integer number (1015296).

2^2030591 is an apocalyptic number.

2030591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030591 is an equidigital number, since it uses as much as digits as its factorization.

2030591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 2030591 is about 1424.9880701255. The cubic root of 2030591 is about 126.6312281593.

Adding to 2030591 its reverse (1950302), we get a palindrome (3980893).

The spelling of 2030591 in words is "two million, thirty thousand, five hundred ninety-one".