5232251221 has 2 divisors, whose sum is σ = 5232251222. Its totient is φ = 5232251220.

The previous prime is 5232251183. The next prime is 5232251231. The reversal of 5232251221 is 1221522325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3323522500 + 1908728721 = 57650^2 + 43689^2 .

It is a cyclic number.

It is not a de Polignac number, because 5232251221 - 2⁷ = 5232251093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5232251231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2616125610 + 2616125611.

It is an arithmetic number, because the mean of its divisors is an integer number (2616125611).

Almost surely, 2^5232251221 is an apocalyptic number.

It is an amenable number.

5232251221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5232251221 is an equidigital number, since it uses as much as digits as its factorization.

5232251221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 5232251221 is about 72334.3018283857. The cubic root of 5232251221 is about 1736.0525324637.

Adding to 5232251221 its reverse (1221522325), we get a palindrome (6453773546).

The spelling of 5232251221 in words is "five billion, two hundred thirty-two million, two hundred fifty-one thousand, two hundred twenty-one".