2542360043 has 2 divisors, whose sum is σ = 2542360044. Its totient is φ = 2542360042.

The previous prime is 2542360019. The next prime is 2542360109. The reversal of 2542360043 is 3400632452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542360043 - 2²⁰ = 2541311467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2542359988 and 2542360015.

It is not a weakly prime, because it can be changed into another prime (2542360643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271180021 + 1271180022.

It is an arithmetic number, because the mean of its divisors is an integer number (1271180022).

Almost surely, 2^2542360043 is an apocalyptic number.

2542360043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542360043 is an equidigital number, since it uses as much as digits as its factorization.

2542360043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2542360043 is about 50421.8210995993. The cubic root of 2542360043 is about 1364.8314395121.

Adding to 2542360043 its reverse (3400632452), we get a palindrome (5942992495).

The spelling of 2542360043 in words is "two billion, five hundred forty-two million, three hundred sixty thousand, forty-three".