4201221253 has 2 divisors, whose sum is σ = 4201221254. Its totient is φ = 4201221252.

The previous prime is 4201221229. The next prime is 4201221259. The reversal of 4201221253 is 3521221024.

It is a happy number.

4201221253 is digitally balanced in base 2, 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., 4175485924 + 25735329 = 64618^2 + 5073^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201221253 - 2¹³ = 4201213061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4201221259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100610626 + 2100610627.

It is an arithmetic number, because the mean of its divisors is an integer number (2100610627).

Almost surely, 2^4201221253 is an apocalyptic number.

It is an amenable number.

4201221253 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201221253 is an equidigital number, since it uses as much as digits as its factorization.

4201221253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4201221253 is about 64816.8284706989. The cubic root of 4201221253 is about 1613.5850121852.

Adding to 4201221253 its reverse (3521221024), we get a palindrome (7722442277).

The spelling of 4201221253 in words is "four billion, two hundred one million, two hundred twenty-one thousand, two hundred fifty-three".