542102117 has 2 divisors, whose sum is σ = 542102118. Its totient is φ = 542102116.

The previous prime is 542102101. The next prime is 542102147. The reversal of 542102117 is 711201245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409414756 + 132687361 = 20234^2 + 11519^2 .

It is a cyclic number.

It is not a de Polignac number, because 542102117 - 2⁴ = 542102101 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 542102092 and 542102101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542102147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271051058 + 271051059.

It is an arithmetic number, because the mean of its divisors is an integer number (271051059).

Almost surely, 2^542102117 is an apocalyptic number.

It is an amenable number.

542102117 is a deficient number, since it is larger than the sum of its proper divisors (1).

542102117 is an equidigital number, since it uses as much as digits as its factorization.

542102117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 542102117 is about 23283.0865007198. The cubic root of 542102117 is about 815.3805877997.

The spelling of 542102117 in words is "five hundred forty-two million, one hundred two thousand, one hundred seventeen".