5242191907 has 2 divisors, whose sum is σ = 5242191908. Its totient is φ = 5242191906.

The previous prime is 5242191883. The next prime is 5242191923. The reversal of 5242191907 is 7091912425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5242191907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5242191907.

It is not a weakly prime, because it can be changed into another prime (5242191967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621095953 + 2621095954.

It is an arithmetic number, because the mean of its divisors is an integer number (2621095954).

Almost surely, 2^5242191907 is an apocalyptic number.

5242191907 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242191907 is an equidigital number, since it uses as much as digits as its factorization.

5242191907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 5242191907 is about 72402.9827217084. The cubic root of 5242191907 is about 1737.1512714682.

The spelling of 5242191907 in words is "five billion, two hundred forty-two million, one hundred ninety-one thousand, nine hundred seven".