2542364243 has 2 divisors, whose sum is σ = 2542364244. Its totient is φ = 2542364242.

The previous prime is 2542364233. The next prime is 2542364269. The reversal of 2542364243 is 3424632452.

It is a happy number.

2542364243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542364243 - 2⁸ = 2542363987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2542364233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271182121 + 1271182122.

It is an arithmetic number, because the mean of its divisors is an integer number (1271182122).

Almost surely, 2^2542364243 is an apocalyptic number.

2542364243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542364243 is an equidigital number, since it uses as much as digits as its factorization.

2542364243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 35.

The square root of 2542364243 is about 50421.8627482167. The cubic root of 2542364243 is about 1364.8321910827.

Adding to 2542364243 its reverse (3424632452), we get a palindrome (5966996695).

Subtracting 2542364243 from its reverse (3424632452), we obtain a square (882268209 = 29703²).

The spelling of 2542364243 in words is "two billion, five hundred forty-two million, three hundred sixty-four thousand, two hundred forty-three".