2421265321 has 2 divisors, whose sum is σ = 2421265322. Its totient is φ = 2421265320.

The previous prime is 2421265289. The next prime is 2421265369. The reversal of 2421265321 is 1235621242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2031755625 + 389509696 = 45075^2 + 19736^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421265321 - 2⁵ = 2421265289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2421265321.

It is not a weakly prime, because it can be changed into another prime (2421265921) 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, 1210632660 + 1210632661.

It is an arithmetic number, because the mean of its divisors is an integer number (1210632661).

Almost surely, 2^2421265321 is an apocalyptic number.

It is an amenable number.

2421265321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421265321 is an equidigital number, since it uses as much as digits as its factorization.

2421265321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 2421265321 is about 49206.3544778517. The cubic root of 2421265321 is about 1342.8086409776.

Adding to 2421265321 its reverse (1235621242), we get a palindrome (3656886563).

The spelling of 2421265321 in words is "two billion, four hundred twenty-one million, two hundred sixty-five thousand, three hundred twenty-one".