2553331243 has 2 divisors, whose sum is σ = 2553331244. Its totient is φ = 2553331242.

The previous prime is 2553331159. The next prime is 2553331247. The reversal of 2553331243 is 3421333552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2553331243 - 2²⁹ = 2016460331 is a prime.

It is not a weakly prime, because it can be changed into another prime (2553331247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276665621 + 1276665622.

It is an arithmetic number, because the mean of its divisors is an integer number (1276665622).

Almost surely, 2^2553331243 is an apocalyptic number.

2553331243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553331243 is an equidigital number, since it uses as much as digits as its factorization.

2553331243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 31.

The square root of 2553331243 is about 50530.4981471586. The cubic root of 2553331243 is about 1366.7918687664.

Adding to 2553331243 its reverse (3421333552), we get a palindrome (5974664795).

The spelling of 2553331243 in words is "two billion, five hundred fifty-three million, three hundred thirty-one thousand, two hundred forty-three".