5243420297 has 2 divisors, whose sum is σ = 5243420298. Its totient is φ = 5243420296.

The previous prime is 5243420269. The next prime is 5243420363. The reversal of 5243420297 is 7920243425.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5157968761 + 85451536 = 71819^2 + 9244^2 .

It is a cyclic number.

It is not a de Polignac number, because 5243420297 - 2⁶ = 5243420233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5243420297.

It is not a weakly prime, because it can be changed into another prime (5243420207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621710148 + 2621710149.

It is an arithmetic number, because the mean of its divisors is an integer number (2621710149).

Almost surely, 2^5243420297 is an apocalyptic number.

It is an amenable number.

5243420297 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243420297 is an equidigital number, since it uses as much as digits as its factorization.

5243420297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 5243420297 is about 72411.4652316883. The cubic root of 5243420297 is about 1737.2869483398.

The spelling of 5243420297 in words is "five billion, two hundred forty-three million, four hundred twenty thousand, two hundred ninety-seven".