52215203 has 4 divisors (see below), whose sum is σ = 52229688. Its totient is φ = 52200720.

The previous prime is 52215199. The next prime is 52215223. The reversal of 52215203 is 30251225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52215203 - 2² = 52215199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52215223) 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, 2900 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (13057422).

Almost surely, 2^52215203 is an apocalyptic number.

52215203 is a deficient number, since it is larger than the sum of its proper divisors (14485).

52215203 is an equidigital number, since it uses as much as digits as its factorization.

52215203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14484.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52215203 is about 7226.0087877057. The cubic root of 52215203 is about 373.7653093060.

Adding to 52215203 its reverse (30251225), we get a palindrome (82466428).

The spelling of 52215203 in words is "fifty-two million, two hundred fifteen thousand, two hundred three".