7211252 has 12 divisors (see below), whose sum is σ = 12686436. Its totient is φ = 3586560.

The previous prime is 7211249. The next prime is 7211261. The reversal of 7211252 is 2521127.

It can be written as a sum of positive squares in 2 ways, for example, as 1948816 + 5262436 = 1396^2 + 2294^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3899 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (1057203).

Almost surely, 2^7211252 is an apocalyptic number.

It is an amenable number.

7211252 is a deficient number, since it is larger than the sum of its proper divisors (5475184).

7211252 is a wasteful number, since it uses less digits than its factorization.

7211252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538 (or 9536 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 7211252 is about 2685.3774408824. The cubic root of 7211252 is about 193.1984142571.

Adding to 7211252 its reverse (2521127), we get a palindrome (9732379).

It can be divided in two parts, 721125 and 2, that added together give a palindrome (721127).

The spelling of 7211252 in words is "seven million, two hundred eleven thousand, two hundred fifty-two".