52305321 has 4 divisors (see below), whose sum is σ = 69740432. Its totient is φ = 34870212.

The previous prime is 52305307. The next prime is 52305361. The reversal of 52305321 is 12350325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52305321 - 2⁶ = 52305257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52305361) 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, 8717551 + ... + 8717556.

It is an arithmetic number, because the mean of its divisors is an integer number (17435108).

Almost surely, 2^52305321 is an apocalyptic number.

It is an amenable number.

52305321 is a deficient number, since it is larger than the sum of its proper divisors (17435111).

52305321 is a wasteful number, since it uses less digits than its factorization.

52305321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17435110.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 52305321 is about 7232.2417686358. The cubic root of 52305321 is about 373.9802123802.

Adding to 52305321 its reverse (12350325), we get a palindrome (64655646).

The spelling of 52305321 in words is "fifty-two million, three hundred five thousand, three hundred twenty-one".