5142857117 has 2 divisors, whose sum is σ = 5142857118. Its totient is φ = 5142857116.

The previous prime is 5142857101. The next prime is 5142857131. The reversal of 5142857117 is 7117582415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2814408601 + 2328448516 = 53051^2 + 48254^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142857117 - 2⁴ = 5142857101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5142857197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571428558 + 2571428559.

It is an arithmetic number, because the mean of its divisors is an integer number (2571428559).

Almost surely, 2^5142857117 is an apocalyptic number.

It is an amenable number.

5142857117 is a deficient number, since it is larger than the sum of its proper divisors (1).

5142857117 is an equidigital number, since it uses as much as digits as its factorization.

5142857117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78400, while the sum is 41.

The square root of 5142857117 is about 71713.7163797833. The cubic root of 5142857117 is about 1726.1087451015.

The spelling of 5142857117 in words is "five billion, one hundred forty-two million, eight hundred fifty-seven thousand, one hundred seventeen".