5665319 has 8 divisors (see below), whose sum is σ = 6273408. Its totient is φ = 5072760.

The previous prime is 5665313. The next prime is 5665349. The reversal of 5665319 is 9135665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5665319 - 2²⁰ = 4616743 is a prime.

It is a super-2 number, since 2×5665319² = 64191678743522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 4580.

It is an arithmetic number, because the mean of its divisors is an integer number (784176).

Almost surely, 2^5665319 is an apocalyptic number.

5665319 is a deficient number, since it is larger than the sum of its proper divisors (608089).

5665319 is a wasteful number, since it uses less digits than its factorization.

5665319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7765.

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

The square root of 5665319 is about 2380.1930593967. The cubic root of 5665319 is about 178.2685736465.

It can be divided in two parts, 566 and 5319, that added together give a palindrome (5885).

The spelling of 5665319 in words is "five million, six hundred sixty-five thousand, three hundred nineteen".