5138065 has 4 divisors (see below), whose sum is σ = 6165684. Its totient is φ = 4110448.

The previous prime is 5138053. The next prime is 5138069. The reversal of 5138065 is 5608315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 1185921 = 1988^2 + 1089^2 .

It is a cyclic number.

It is not a de Polignac number, because 5138065 - 2²¹ = 3040913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5138069) 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, 513802 + ... + 513811.

It is an arithmetic number, because the mean of its divisors is an integer number (1541421).

Almost surely, 2^5138065 is an apocalyptic number.

It is an amenable number.

5138065 is a deficient number, since it is larger than the sum of its proper divisors (1027619).

5138065 is a wasteful number, since it uses less digits than its factorization.

5138065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027618.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5138065 is about 2266.7300236243. The cubic root of 5138065 is about 172.5572448811.

The spelling of 5138065 in words is "five million, one hundred thirty-eight thousand, sixty-five".