5351132221 has 2 divisors, whose sum is σ = 5351132222. Its totient is φ = 5351132220.

The previous prime is 5351132159. The next prime is 5351132231. The reversal of 5351132221 is 1222311535.

5351132221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3449212900 + 1901919321 = 58730^2 + 43611^2 .

It is a cyclic number.

It is not a de Polignac number, because 5351132221 - 2¹¹ = 5351130173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5351132231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2675566110 + 2675566111.

It is an arithmetic number, because the mean of its divisors is an integer number (2675566111).

Almost surely, 2^5351132221 is an apocalyptic number.

It is an amenable number.

5351132221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5351132221 is an equidigital number, since it uses as much as digits as its factorization.

5351132221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 5351132221 is about 73151.4334856126. The cubic root of 5351132221 is about 1749.1023664279.

Adding to 5351132221 its reverse (1222311535), we get a palindrome (6573443756).

The spelling of 5351132221 in words is "five billion, three hundred fifty-one million, one hundred thirty-two thousand, two hundred twenty-one".