2605030591 has 2 divisors, whose sum is σ = 2605030592. Its totient is φ = 2605030590.

The previous prime is 2605030583. The next prime is 2605030627. The reversal of 2605030591 is 1950305062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2605030591 - 2³ = 2605030583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2605030291) 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, 1302515295 + 1302515296.

It is an arithmetic number, because the mean of its divisors is an integer number (1302515296).

Almost surely, 2^2605030591 is an apocalyptic number.

2605030591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605030591 is an equidigital number, since it uses as much as digits as its factorization.

2605030591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 2605030591 is about 51039.5003012373. The cubic root of 2605030591 is about 1375.9551430344.

The spelling of 2605030591 in words is "two billion, six hundred five million, thirty thousand, five hundred ninety-one".