653325443 has 2 divisors, whose sum is σ = 653325444. Its totient is φ = 653325442.

The previous prime is 653325397. The next prime is 653325451. The reversal of 653325443 is 344523356.

653325443 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653325443 is a prime.

It is a super-2 number, since 2×653325443² = 853668268942292498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (653325493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326662721 + 326662722.

It is an arithmetic number, because the mean of its divisors is an integer number (326662722).

Almost surely, 2^653325443 is an apocalyptic number.

653325443 is a deficient number, since it is larger than the sum of its proper divisors (1).

653325443 is an equidigital number, since it uses as much as digits as its factorization.

653325443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 35.

The square root of 653325443 is about 25560.2316695291. The cubic root of 653325443 is about 867.7138387709.

Adding to 653325443 its reverse (344523356), we get a palindrome (997848799).

The spelling of 653325443 in words is "six hundred fifty-three million, three hundred twenty-five thousand, four hundred forty-three".