5221542 has 32 divisors (see below), whose sum is σ = 11099520. Its totient is φ = 1632960.

The previous prime is 5221501. The next prime is 5221543. The reversal of 5221542 is 2451225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221543) 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 15 ways as a sum of consecutive naturals, for example, 18442 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (346860).

Almost surely, 2^5221542 is an apocalyptic number.

5221542 is an abundant number, since it is smaller than the sum of its proper divisors (5877978).

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

5221542 is a wasteful number, since it uses less digits than its factorization.

5221542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its digits is 800, while the sum is 21.

The square root of 5221542 is about 2285.0693643739. The cubic root of 5221542 is about 173.4867289359.

Adding to 5221542 its reverse (2451225), we get a palindrome (7672767).

The spelling of 5221542 in words is "five million, two hundred twenty-one thousand, five hundred forty-two".