616383563 has 2 divisors, whose sum is σ = 616383564. Its totient is φ = 616383562.

The previous prime is 616383553. The next prime is 616383611. The reversal of 616383563 is 365383616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616383563 - 2⁸ = 616383307 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616383563.

It is not a weakly prime, because it can be changed into another prime (616383533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308191781 + 308191782.

It is an arithmetic number, because the mean of its divisors is an integer number (308191782).

Almost surely, 2^616383563 is an apocalyptic number.

616383563 is a deficient number, since it is larger than the sum of its proper divisors (1).

616383563 is an equidigital number, since it uses as much as digits as its factorization.

616383563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 616383563 is about 24827.0731863424. The cubic root of 616383563 is about 851.0407381206.

The spelling of 616383563 in words is "six hundred sixteen million, three hundred eighty-three thousand, five hundred sixty-three".