5142220997 has 2 divisors, whose sum is σ = 5142220998. Its totient is φ = 5142220996.

The previous prime is 5142220987. The next prime is 5142220999. The reversal of 5142220997 is 7990222415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4008282721 + 1133938276 = 63311^2 + 33674^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142220997 - 2¹⁸ = 5141958853 is a prime.

Together with 5142220999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5142220999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571110498 + 2571110499.

It is an arithmetic number, because the mean of its divisors is an integer number (2571110499).

Almost surely, 2^5142220997 is an apocalyptic number.

It is an amenable number.

5142220997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5142220997 is an equidigital number, since it uses as much as digits as its factorization.

5142220997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 5142220997 is about 71709.2811078176. The cubic root of 5142220997 is about 1726.0375747032.

The spelling of 5142220997 in words is "five billion, one hundred forty-two million, two hundred twenty thousand, nine hundred ninety-seven".