65132213 has 4 divisors (see below), whose sum is σ = 65380128. Its totient is φ = 64884300.

The previous prime is 65132131. The next prime is 65132233. The reversal of 65132213 is 31223156.

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 a de Polignac number, because none of the positive numbers 2^k-65132213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65132233) 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, 123563 + ... + 124088.

It is an arithmetic number, because the mean of its divisors is an integer number (16345032).

Almost surely, 2^65132213 is an apocalyptic number.

It is an amenable number.

65132213 is a deficient number, since it is larger than the sum of its proper divisors (247915).

65132213 is a wasteful number, since it uses less digits than its factorization.

65132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247914.

The product of its digits is 1080, while the sum is 23.

The square root of 65132213 is about 8070.4530851743. The cubic root of 65132213 is about 402.3450026249.

Adding to 65132213 its reverse (31223156), we get a palindrome (96355369).

The spelling of 65132213 in words is "sixty-five million, one hundred thirty-two thousand, two hundred thirteen".