52321303 has 4 divisors (see below), whose sum is σ = 52500168. Its totient is φ = 52142440.

The previous prime is 52321253. The next prime is 52321309. The reversal of 52321303 is 30312325.

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 52321303 - 2¹³ = 52313111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52321309) 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, 88993 + ... + 89578.

It is an arithmetic number, because the mean of its divisors is an integer number (13125042).

Almost surely, 2^52321303 is an apocalyptic number.

52321303 is a deficient number, since it is larger than the sum of its proper divisors (178865).

52321303 is a wasteful number, since it uses less digits than its factorization.

52321303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178864.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 52321303 is about 7233.3465975301. The cubic root of 52321303 is about 374.0182986462.

Adding to 52321303 its reverse (30312325), we get a palindrome (82633628).

The spelling of 52321303 in words is "fifty-two million, three hundred twenty-one thousand, three hundred three".