52305143 has 4 divisors (see below), whose sum is σ = 57060168. Its totient is φ = 47550120.

The previous prime is 52305133. The next prime is 52305163. The reversal of 52305143 is 34150325.

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 52305143 - 2¹² = 52301047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52305103) 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, 2377496 + ... + 2377517.

It is an arithmetic number, because the mean of its divisors is an integer number (14265042).

Almost surely, 2^52305143 is an apocalyptic number.

52305143 is a deficient number, since it is larger than the sum of its proper divisors (4755025).

52305143 is a wasteful number, since it uses less digits than its factorization.

52305143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755024.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52305143 is about 7232.2294626208. The cubic root of 52305143 is about 373.9797881496.

Adding to 52305143 its reverse (34150325), we get a palindrome (86455468).

The spelling of 52305143 in words is "fifty-two million, three hundred five thousand, one hundred forty-three".