5220252 has 18 divisors (see below), whose sum is σ = 13195728. Its totient is φ = 1740072.

The previous prime is 5220251. The next prime is 5220277. The reversal of 5220252 is 2520225.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72468 + ... + 72539.

It is an arithmetic number, because the mean of its divisors is an integer number (733096).

Almost surely, 2^5220252 is an apocalyptic number.

It is an amenable number.

5220252 is an abundant number, since it is smaller than the sum of its proper divisors (7975476).

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

5220252 is a wasteful number, since it uses less digits than its factorization.

5220252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145017 (or 145012 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5220252 is about 2284.7870797954. The cubic root of 5220252 is about 173.4724409272.

Adding to 5220252 its reverse (2520225), we get a palindrome (7740477).

The spelling of 5220252 in words is "five million, two hundred twenty thousand, two hundred fifty-two".