1065345563 has 2 divisors, whose sum is σ = 1065345564. Its totient is φ = 1065345562.

The previous prime is 1065345553. The next prime is 1065345571. The reversal of 1065345563 is 3655435601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1065345563 - 2⁶ = 1065345499 is a prime.

It is a super-2 number, since 2×1065345563² = 2269922337207573938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065345503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532672781 + 532672782.

It is an arithmetic number, because the mean of its divisors is an integer number (532672782).

Almost surely, 2^1065345563 is an apocalyptic number.

1065345563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065345563 is an equidigital number, since it uses as much as digits as its factorization.

1065345563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 1065345563 is about 32639.6317840750. The cubic root of 1065345563 is about 1021.3239130071.

The spelling of 1065345563 in words is "one billion, sixty-five million, three hundred forty-five thousand, five hundred sixty-three".