5242540999 has 2 divisors, whose sum is σ = 5242541000. Its totient is φ = 5242540998.

The previous prime is 5242540991. The next prime is 5242541089. The reversal of 5242540999 is 9990452425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5242540999 - 2³ = 5242540991 is a prime.

It is a super-3 number, since 3×5242540999³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5242540991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621270499 + 2621270500.

It is an arithmetic number, because the mean of its divisors is an integer number (2621270500).

Almost surely, 2^5242540999 is an apocalyptic number.

5242540999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242540999 is an equidigital number, since it uses as much as digits as its factorization.

5242540999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 5242540999 is about 72405.3934386106. The cubic root of 5242540999 is about 1737.1898311751.

The spelling of 5242540999 in words is "five billion, two hundred forty-two million, five hundred forty thousand, nine hundred ninety-nine".