52305213 has 8 divisors (see below), whose sum is σ = 70459648. Its totient is φ = 34510464.

The previous prime is 52305181. The next prime is 52305221. The reversal of 52305213 is 31250325.

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

It is not a de Polignac number, because 52305213 - 2⁵ = 52305181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52305213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52305293) 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, 89581 + ... + 90162.

It is an arithmetic number, because the mean of its divisors is an integer number (8807456).

Almost surely, 2^52305213 is an apocalyptic number.

It is an amenable number.

52305213 is a deficient number, since it is larger than the sum of its proper divisors (18154435).

52305213 is a wasteful number, since it uses less digits than its factorization.

52305213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179843.

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

The square root of 52305213 is about 7232.2343020674. The cubic root of 52305213 is about 373.9799549820.

Adding to 52305213 its reverse (31250325), we get a palindrome (83555538).

The spelling of 52305213 in words is "fifty-two million, three hundred five thousand, two hundred thirteen".