5138305 has 8 divisors (see below), whose sum is σ = 6183144. Its totient is φ = 4099200.

The previous prime is 5138291. The next prime is 5138311. The reversal of 5138305 is 5038315.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 368449 + 4769856 = 607^2 + 2184^2 .

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

It is not a de Polignac number, because 5138305 - 2⁹ = 5137793 is a prime.

It is a super-3 number, since 3×5138305³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5138305.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 885 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (772893).

Almost surely, 2^5138305 is an apocalyptic number.

It is an amenable number.

5138305 is a deficient number, since it is larger than the sum of its proper divisors (1044839).

5138305 is a wasteful number, since it uses less digits than its factorization.

5138305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5138305 is about 2266.7829627029. The cubic root of 5138305 is about 172.5599315666.

The spelling of 5138305 in words is "five million, one hundred thirty-eight thousand, three hundred five".