1061516563 has 2 divisors, whose sum is σ = 1061516564. Its totient is φ = 1061516562.

The previous prime is 1061516513. The next prime is 1061516591. The reversal of 1061516563 is 3656151601.

It is a strong prime.

It is an emirp because it is prime and its reverse (3656151601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061516563 is a prime.

It is a super-2 number, since 2×1061516563² = 2253634827046665938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061516503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530758281 + 530758282.

It is an arithmetic number, because the mean of its divisors is an integer number (530758282).

Almost surely, 2^1061516563 is an apocalyptic number.

1061516563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061516563 is an equidigital number, since it uses as much as digits as its factorization.

1061516563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1061516563 is about 32580.9232987649. The cubic root of 1061516563 is about 1020.0988507940.

The spelling of 1061516563 in words is "one billion, sixty-one million, five hundred sixteen thousand, five hundred sixty-three".