2545562443 has 2 divisors, whose sum is σ = 2545562444. Its totient is φ = 2545562442.

The previous prime is 2545562417. The next prime is 2545562477. The reversal of 2545562443 is 3442655452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2545562443 - 2²⁵ = 2512008011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2545562396 and 2545562405.

It is not a weakly prime, because it can be changed into another prime (2545562143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272781221 + 1272781222.

It is an arithmetic number, because the mean of its divisors is an integer number (1272781222).

Almost surely, 2^2545562443 is an apocalyptic number.

2545562443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545562443 is an equidigital number, since it uses as much as digits as its factorization.

2545562443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 40.

The square root of 2545562443 is about 50453.5671979693. The cubic root of 2545562443 is about 1365.4042540440.

The spelling of 2545562443 in words is "two billion, five hundred forty-five million, five hundred sixty-two thousand, four hundred forty-three".