52221241 has 2 divisors, whose sum is σ = 52221242. Its totient is φ = 52221240.

The previous prime is 52221209. The next prime is 52221251. The reversal of 52221241 is 14212225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52142841 + 78400 = 7221^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 52221241 - 2⁵ = 52221209 is a prime.

It is not a weakly prime, because it can be changed into another prime (52221251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110620 + 26110621.

It is an arithmetic number, because the mean of its divisors is an integer number (26110621).

Almost surely, 2^52221241 is an apocalyptic number.

It is an amenable number.

52221241 is a deficient number, since it is larger than the sum of its proper divisors (1).

52221241 is an equidigital number, since it uses as much as digits as its factorization.

52221241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 19.

The square root of 52221241 is about 7226.4265719649. The cubic root of 52221241 is about 373.7797157613.

Adding to 52221241 its reverse (14212225), we get a palindrome (66433466).

The spelling of 52221241 in words is "fifty-two million, two hundred twenty-one thousand, two hundred forty-one".