5138005 has 8 divisors (see below), whose sum is σ = 6332472. Its totient is φ = 3999168.

The previous prime is 5137987. The next prime is 5138009. The reversal of 5138005 is 5008315.

It can be written as a sum of positive squares in 4 ways, for example, as 1726596 + 3411409 = 1314^2 + 1847^2 .

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 5138005 - 2⁵ = 5137973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13702 + ... + 14071.

It is an arithmetic number, because the mean of its divisors is an integer number (791559).

Almost surely, 2^5138005 is an apocalyptic number.

It is an amenable number.

5138005 is a deficient number, since it is larger than the sum of its proper divisors (1194467).

5138005 is a wasteful number, since it uses less digits than its factorization.

5138005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27815.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5138005 is about 2266.7167886615. The cubic root of 5138005 is about 172.5565731966.

The spelling of 5138005 in words is "five million, one hundred thirty-eight thousand, five".