5665045 has 4 divisors (see below), whose sum is σ = 6798060. Its totient is φ = 4532032.

The previous prime is 5665043. The next prime is 5665069. The reversal of 5665045 is 5405665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5405665 = 5 ⋅1081133.

It can be written as a sum of positive squares in 2 ways, for example, as 4092529 + 1572516 = 2023^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665045 - 2¹ = 5665043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5664998 and 5665016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566500 + ... + 566509.

It is an arithmetic number, because the mean of its divisors is an integer number (1699515).

Almost surely, 2^5665045 is an apocalyptic number.

It is an amenable number.

5665045 is a deficient number, since it is larger than the sum of its proper divisors (1133015).

5665045 is a wasteful number, since it uses less digits than its factorization.

5665045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133014.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 5665045 is about 2380.1355003445. The cubic root of 5665045 is about 178.2656996467.

The spelling of 5665045 in words is "five million, six hundred sixty-five thousand, forty-five".