542124217 has 2 divisors, whose sum is σ = 542124218. Its totient is φ = 542124216.

The previous prime is 542124197. The next prime is 542124221. The reversal of 542124217 is 712421245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374654736 + 167469481 = 19356^2 + 12941^2 .

It is a cyclic number.

It is not a de Polignac number, because 542124217 - 2¹¹ = 542122169 is a prime.

It is not a weakly prime, because it can be changed into another prime (542124287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271062108 + 271062109.

It is an arithmetic number, because the mean of its divisors is an integer number (271062109).

Almost surely, 2^542124217 is an apocalyptic number.

It is an amenable number.

542124217 is a deficient number, since it is larger than the sum of its proper divisors (1).

542124217 is an equidigital number, since it uses as much as digits as its factorization.

542124217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 28.

The square root of 542124217 is about 23283.5610893179. The cubic root of 542124217 is about 815.3916679176.

The spelling of 542124217 in words is "five hundred forty-two million, one hundred twenty-four thousand, two hundred seventeen".