5212271321 has 4 divisors (see below), whose sum is σ = 5283672372. Its totient is φ = 5140870272.

The previous prime is 5212271287. The next prime is 5212271333. The reversal of 5212271321 is 1231722125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4518528400 + 693742921 = 67220^2 + 26339^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212271321 - 2⁶ = 5212271257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5212271341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35700416 + ... + 35700561.

It is an arithmetic number, because the mean of its divisors is an integer number (1320918093).

Almost surely, 2^5212271321 is an apocalyptic number.

It is an amenable number.

5212271321 is a deficient number, since it is larger than the sum of its proper divisors (71401051).

5212271321 is an equidigital number, since it uses as much as digits as its factorization.

5212271321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71401050.

The product of its digits is 1680, while the sum is 26.

The square root of 5212271321 is about 72196.0616723655. The cubic root of 5212271321 is about 1733.8399475210.

Adding to 5212271321 its reverse (1231722125), we get a palindrome (6443993446).

The spelling of 5212271321 in words is "five billion, two hundred twelve million, two hundred seventy-one thousand, three hundred twenty-one".