52527213 has 6 divisors (see below), whose sum is σ = 75872654. Its totient is φ = 35018136.

The previous prime is 52527197. The next prime is 52527227. The reversal of 52527213 is 31272525.

It can be written as a sum of positive squares in only one way, i.e., 32114889 + 20412324 = 5667^2 + 4518^2 .

It is not a de Polignac number, because 52527213 - 2⁴ = 52527197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52527413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2918170 + ... + 2918187.

Almost surely, 2^52527213 is an apocalyptic number.

It is an amenable number.

52527213 is a deficient number, since it is larger than the sum of its proper divisors (23345441).

52527213 is a wasteful number, since it uses less digits than its factorization.

52527213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836363 (or 5836360 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 52527213 is about 7247.5660052186. The cubic root of 52527213 is about 374.5083049109.

Adding to 52527213 its reverse (31272525), we get a palindrome (83799738).

The spelling of 52527213 in words is "fifty-two million, five hundred twenty-seven thousand, two hundred thirteen".