2421541253 has 2 divisors, whose sum is σ = 2421541254. Its totient is φ = 2421541252.

The previous prime is 2421541237. The next prime is 2421541277. The reversal of 2421541253 is 3521451242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2032386724 + 389154529 = 45082^2 + 19727^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421541253 - 2⁴ = 2421541237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421541753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210770626 + 1210770627.

It is an arithmetic number, because the mean of its divisors is an integer number (1210770627).

Almost surely, 2^2421541253 is an apocalyptic number.

It is an amenable number.

2421541253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421541253 is an equidigital number, since it uses as much as digits as its factorization.

2421541253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 29.

The square root of 2421541253 is about 49209.1582228349. The cubic root of 2421541253 is about 1342.8596487154.

Adding to 2421541253 its reverse (3521451242), we get a palindrome (5942992495).

The spelling of 2421541253 in words is "two billion, four hundred twenty-one million, five hundred forty-one thousand, two hundred fifty-three".