5613563 has 2 divisors, whose sum is σ = 5613564. Its totient is φ = 5613562.

The previous prime is 5613551. The next prime is 5613571. The reversal of 5613563 is 3653165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5613563 - 2⁴ = 5613547 is a prime.

It is a super-3 number, since 3×5613563³ (a number of 21 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is equal to p₃₈₈₀₆₄ and since 5613563 and 388064 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5613533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806781 + 2806782.

It is an arithmetic number, because the mean of its divisors is an integer number (2806782).

Almost surely, 2^5613563 is an apocalyptic number.

5613563 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613563 is an equidigital number, since it uses as much as digits as its factorization.

5613563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 29.

The square root of 5613563 is about 2369.2958869673. The cubic root of 5613563 is about 177.7240495480.

It can be divided in two parts, 56 and 13563, that multiplied together give a triangular number (759528 = T₁₂₃₂).

The spelling of 5613563 in words is "five million, six hundred thirteen thousand, five hundred sixty-three".