5138505 has 32 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 2578176.

The previous prime is 5138503. The next prime is 5138513. The reversal of 5138505 is 5058315.

5138505 = T₇₆₉ + T₇₇₀ + ... + T₇₈₅.

It is not a de Polignac number, because 5138505 - 2¹ = 5138503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5138503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1176 + ... + 3414.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^5138505 is an apocalyptic number.

It is an amenable number.

5138505 is a deficient number, since it is larger than the sum of its proper divisors (4538295).

5138505 is a wasteful number, since it uses less digits than its factorization.

5138505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5138505 is about 2266.8270776572. The cubic root of 5138505 is about 172.5621704072.

The spelling of 5138505 in words is "five million, one hundred thirty-eight thousand, five hundred five".