52132213 has 4 divisors (see below), whose sum is σ = 59579680. Its totient is φ = 44684748.

The previous prime is 52132207. The next prime is 52132253. The reversal of 52132213 is 31223125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52132213 - 2¹⁷ = 52001141 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 (52132253) 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, 3723723 + ... + 3723736.

It is an arithmetic number, because the mean of its divisors is an integer number (14894920).

Almost surely, 2^52132213 is an apocalyptic number.

It is an amenable number.

52132213 is a deficient number, since it is larger than the sum of its proper divisors (7447467).

52132213 is an equidigital number, since it uses as much as digits as its factorization.

52132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447466.

The product of its digits is 360, while the sum is 19.

The square root of 52132213 is about 7220.2640533432. The cubic root of 52132213 is about 373.5671854561.

Adding to 52132213 its reverse (31223125), we get a palindrome (83355338).

The spelling of 52132213 in words is "fifty-two million, one hundred thirty-two thousand, two hundred thirteen".