52205321 has 8 divisors (see below), whose sum is σ = 59759040. Its totient is φ = 44675568.

The previous prime is 52205299. The next prime is 52205323. The reversal of 52205321 is 12350225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-52205321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52205293 and 52205302.

It is not an unprimeable number, because it can be changed into a prime (52205323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (7469880).

Almost surely, 2^52205321 is an apocalyptic number.

It is an amenable number.

52205321 is a deficient number, since it is larger than the sum of its proper divisors (7553719).

52205321 is a wasteful number, since it uses less digits than its factorization.

52205321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983.

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

The square root of 52205321 is about 7225.3249753904. The cubic root of 52205321 is about 373.7417288058.

Adding to 52205321 its reverse (12350225), we get a palindrome (64555546).

The spelling of 52205321 in words is "fifty-two million, two hundred five thousand, three hundred twenty-one".