5663915 has 4 divisors (see below), whose sum is σ = 6796704. Its totient is φ = 4531128.

The previous prime is 5663909. The next prime is 5663929. The reversal of 5663915 is 5193665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5663915 - 2¹⁶ = 5598379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566387 + ... + 566396.

It is an arithmetic number, because the mean of its divisors is an integer number (1699176).

Almost surely, 2^5663915 is an apocalyptic number.

5663915 is a deficient number, since it is larger than the sum of its proper divisors (1132789).

5663915 is a wasteful number, since it uses less digits than its factorization.

5663915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132788.

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

The square root of 5663915 is about 2379.8981070626. The cubic root of 5663915 is about 178.2538460406.

The spelling of 5663915 in words is "five million, six hundred sixty-three thousand, nine hundred fifteen".