16211252 has 6 divisors (see below), whose sum is σ = 28369698. Its totient is φ = 8105624.

The previous prime is 16211231. The next prime is 16211257. The reversal of 16211252 is 25211261.

It can be written as a sum of positive squares in only one way, i.e., 16048036 + 163216 = 4006^2 + 404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16211257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2026403 + ... + 2026410.

It is an arithmetic number, because the mean of its divisors is an integer number (4728283).

Almost surely, 2^16211252 is an apocalyptic number.

It is an amenable number.

16211252 is a deficient number, since it is larger than the sum of its proper divisors (12158446).

16211252 is a wasteful number, since it uses less digits than its factorization.

16211252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052817 (or 4052815 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 16211252 is about 4026.3199078066. The cubic root of 16211252 is about 253.0883681583.

Subtracting 16211252 from its reverse (25211261), we obtain a palindrome (9000009).

The spelling of 16211252 in words is "sixteen million, two hundred eleven thousand, two hundred fifty-two".