5132221 has 2 divisors, whose sum is σ = 5132222. Its totient is φ = 5132220.

The previous prime is 5132219. The next prime is 5132227. The reversal of 5132221 is 1222315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 784996 = 2085^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 5132221 - 2¹ = 5132219 is a prime.

Together with 5132219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5132195 and 5132204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5132227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2566110 + 2566111.

It is an arithmetic number, because the mean of its divisors is an integer number (2566111).

Almost surely, 2^5132221 is an apocalyptic number.

It is an amenable number.

5132221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5132221 is an equidigital number, since it uses as much as digits as its factorization.

5132221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 16.

The square root of 5132221 is about 2265.4405752524. The cubic root of 5132221 is about 172.4917982518.

Adding to 5132221 its reverse (1222315), we get a palindrome (6354536).

The spelling of 5132221 in words is "five million, one hundred thirty-two thousand, two hundred twenty-one".