5663519 has 2 divisors, whose sum is σ = 5663520. Its totient is φ = 5663518.

The previous prime is 5663513. The next prime is 5663521. The reversal of 5663519 is 9153665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5663519 - 2⁴ = 5663503 is a prime.

It is a super-2 number, since 2×5663519² = 64150894926722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5663521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5663513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831759 + 2831760.

It is an arithmetic number, because the mean of its divisors is an integer number (2831760).

Almost surely, 2^5663519 is an apocalyptic number.

5663519 is a deficient number, since it is larger than the sum of its proper divisors (1).

5663519 is an equidigital number, since it uses as much as digits as its factorization.

5663519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 35.

The square root of 5663519 is about 2379.8149087692. The cubic root of 5663519 is about 178.2496916604.

The spelling of 5663519 in words is "five million, six hundred sixty-three thousand, five hundred nineteen".