52213043 has 4 divisors (see below), whose sum is σ = 52344960. Its totient is φ = 52081128.

The previous prime is 52213039. The next prime is 52213067. The reversal of 52213043 is 34031225.

It is a happy number.

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 52213043 - 2² = 52213039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52213093) 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, 65363 + ... + 66156.

It is an arithmetic number, because the mean of its divisors is an integer number (13086240).

Almost surely, 2^52213043 is an apocalyptic number.

52213043 is a deficient number, since it is larger than the sum of its proper divisors (131917).

52213043 is a wasteful number, since it uses less digits than its factorization.

52213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131916.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52213043 is about 7225.8593260594. The cubic root of 52213043 is about 373.7601553524.

Adding to 52213043 its reverse (34031225), we get a palindrome (86244268).

The spelling of 52213043 in words is "fifty-two million, two hundred thirteen thousand, forty-three".