5243665 has 16 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 3574656.

The previous prime is 5243647. The next prime is 5243669. The reversal of 5243665 is 5663425.

It is a cyclic number.

It is not a de Polignac number, because 5243665 - 2¹¹ = 5241617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5243669) 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, 7834 + ... + 8476.

It is an arithmetic number, because the mean of its divisors is an integer number (452088).

Almost surely, 2^5243665 is an apocalyptic number.

It is an amenable number.

5243665 is a deficient number, since it is larger than the sum of its proper divisors (1989743).

5243665 is a wasteful number, since it uses less digits than its factorization.

5243665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888.

The product of its digits is 21600, while the sum is 31.

The square root of 5243665 is about 2289.9050198644. The cubic root of 5243665 is about 173.7313973493.

The spelling of 5243665 in words is "five million, two hundred forty-three thousand, six hundred sixty-five".