2542242533 has 2 divisors, whose sum is σ = 2542242534. Its totient is φ = 2542242532.

The previous prime is 2542242523. The next prime is 2542242553. The reversal of 2542242533 is 3352422452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1900785604 + 641456929 = 43598^2 + 25327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542242533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2542242533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542242523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271121266 + 1271121267.

It is an arithmetic number, because the mean of its divisors is an integer number (1271121267).

Almost surely, 2^2542242533 is an apocalyptic number.

It is an amenable number.

2542242533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542242533 is an equidigital number, since it uses as much as digits as its factorization.

2542242533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 32.

The square root of 2542242533 is about 50420.6558168376. The cubic root of 2542242533 is about 1364.8104113060.

Adding to 2542242533 its reverse (3352422452), we get a palindrome (5894664985).

The spelling of 2542242533 in words is "two billion, five hundred forty-two million, two hundred forty-two thousand, five hundred thirty-three".