5665345 has 16 divisors (see below), whose sum is σ = 7826688. Its totient is φ = 3856320.

The previous prime is 5665313. The next prime is 5665349. The reversal of 5665345 is 5435665.

It is not a de Polignac number, because 5665345 - 2⁵ = 5665313 is a prime.

It is a super-2 number, since 2×5665345² = 64192267938050, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (54000) is a multiple of the sum of its prime divisors (1200).

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5665345.

It is not an unprimeable number, because it can be changed into a prime (5665349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4980 + ... + 6010.

It is an arithmetic number, because the mean of its divisors is an integer number (489168).

Almost surely, 2^5665345 is an apocalyptic number.

It is an amenable number.

5665345 is a deficient number, since it is larger than the sum of its proper divisors (2161343).

5665345 is a wasteful number, since it uses less digits than its factorization.

5665345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 54000, while the sum is 34.

The square root of 5665345 is about 2380.1985211322. The cubic root of 5665345 is about 178.2688463570.

The spelling of 5665345 in words is "five million, six hundred sixty-five thousand, three hundred forty-five".