542195317 has 2 divisors, whose sum is σ = 542195318. Its totient is φ = 542195316.

The previous prime is 542195279. The next prime is 542195327. The reversal of 542195317 is 713591245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433222596 + 108972721 = 20814^2 + 10439^2 .

It is a cyclic number.

It is not a de Polignac number, because 542195317 - 2²³ = 533806709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542195327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271097658 + 271097659.

It is an arithmetic number, because the mean of its divisors is an integer number (271097659).

Almost surely, 2^542195317 is an apocalyptic number.

It is an amenable number.

542195317 is a deficient number, since it is larger than the sum of its proper divisors (1).

542195317 is an equidigital number, since it uses as much as digits as its factorization.

542195317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 542195317 is about 23285.0878675602. The cubic root of 542195317 is about 815.4273127701.

It can be divided in two parts, 54219 and 5317, that added together give a square (59536 = 244²).

The spelling of 542195317 in words is "five hundred forty-two million, one hundred ninety-five thousand, three hundred seventeen".