252216303 has 4 divisors (see below), whose sum is σ = 336288408. Its totient is φ = 168144200.

The previous prime is 252216287. The next prime is 252216311. The reversal of 252216303 is 303612252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252216303 - 2⁴ = 252216287 is a prime.

It is a super-2 number, since 2×252216303² = 127226126997975618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252216313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42036048 + ... + 42036053.

It is an arithmetic number, because the mean of its divisors is an integer number (84072102).

Almost surely, 2^252216303 is an apocalyptic number.

252216303 is a deficient number, since it is larger than the sum of its proper divisors (84072105).

252216303 is an equidigital number, since it uses as much as digits as its factorization.

252216303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84072104.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 252216303 is about 15881.3193091758. The cubic root of 252216303 is about 631.8166286562.

Adding to 252216303 its reverse (303612252), we get a palindrome (555828555).

The spelling of 252216303 in words is "two hundred fifty-two million, two hundred sixteen thousand, three hundred three".