4521252 has 48 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 1377792.

The previous prime is 4521241. The next prime is 4521299. The reversal of 4521252 is 2521254.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7249 + ... + 7847.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

Almost surely, 2^4521252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4521252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745600).

4521252 is an abundant number, since it is smaller than the sum of its proper divisors (6969948).

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

4521252 is a wasteful number, since it uses less digits than its factorization.

4521252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

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

The square root of 4521252 is about 2126.3235877918. The cubic root of 4521252 is about 165.3558527396.

The spelling of 4521252 in words is "four million, five hundred twenty-one thousand, two hundred fifty-two".