5238665 has 8 divisors (see below), whose sum is σ = 6307080. Its totient is φ = 4177152.

The previous prime is 5238581. The next prime is 5238671. The reversal of 5238665 is 5668325.

5238665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3721 + 5234944 = 61^2 + 2288^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5238665 - 2¹⁰ = 5237641 is a prime.

It is a super-2 number, since 2×5238665² = 54887221964450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 3239.

It is an arithmetic number, because the mean of its divisors is an integer number (788385).

Almost surely, 2^5238665 is an apocalyptic number.

It is an amenable number.

5238665 is a deficient number, since it is larger than the sum of its proper divisors (1068415).

5238665 is a wasteful number, since it uses less digits than its factorization.

5238665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451.

The product of its digits is 43200, while the sum is 35.

The square root of 5238665 is about 2288.8130111479. The cubic root of 5238665 is about 173.6761603328.

The spelling of 5238665 in words is "five million, two hundred thirty-eight thousand, six hundred sixty-five".