5218542 has 48 divisors (see below), whose sum is σ = 13104000. Its totient is φ = 1470096.

The previous prime is 5218537. The next prime is 5218547. The reversal of 5218542 is 2458125.

It is a happy number.

5218542 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (5218537) and next prime (5218547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10209 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (273000).

Almost surely, 2^5218542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6552000).

5218542 is an abundant number, since it is smaller than the sum of its proper divisors (7885458).

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

5218542 is a wasteful number, since it uses less digits than its factorization.

5218542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 594 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 5218542 is about 2284.4128348440. The cubic root of 5218542 is about 173.4534973800.

The spelling of 5218542 in words is "five million, two hundred eighteen thousand, five hundred forty-two".