2566453243 has 2 divisors, whose sum is σ = 2566453244. Its totient is φ = 2566453242.

The previous prime is 2566453231. The next prime is 2566453249. The reversal of 2566453243 is 3423546652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2566453243 - 2⁹ = 2566452731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2566453196 and 2566453205.

It is not a weakly prime, because it can be changed into another prime (2566453249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283226621 + 1283226622.

It is an arithmetic number, because the mean of its divisors is an integer number (1283226622).

Almost surely, 2^2566453243 is an apocalyptic number.

2566453243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566453243 is an equidigital number, since it uses as much as digits as its factorization.

2566453243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 40.

The square root of 2566453243 is about 50660.1741311654. The cubic root of 2566453243 is about 1369.1292605735.

Adding to 2566453243 its reverse (3423546652), we get a palindrome (5989999895).

The spelling of 2566453243 in words is "two billion, five hundred sixty-six million, four hundred fifty-three thousand, two hundred forty-three".