5138562 has 64 divisors (see below), whose sum is σ = 12410496. Its totient is φ = 1397760.

The previous prime is 5138561. The next prime is 5138603. The reversal of 5138562 is 2658315.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138561) 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, 45418 + ... + 45530.

It is an arithmetic number, because the mean of its divisors is an integer number (193914).

Almost surely, 2^5138562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5138562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6205248).

5138562 is an abundant number, since it is smaller than the sum of its proper divisors (7271934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5138562 is a wasteful number, since it uses less digits than its factorization.

5138562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195.

The product of its digits is 7200, while the sum is 30.

The square root of 5138562 is about 2266.8396502620. The cubic root of 5138562 is about 172.5628084662.

The spelling of 5138562 in words is "five million, one hundred thirty-eight thousand, five hundred sixty-two".