542527169 has 2 divisors, whose sum is σ = 542527170. Its totient is φ = 542527168.

The previous prime is 542527163. The next prime is 542527241. The reversal of 542527169 is 961725245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532686400 + 9840769 = 23080^2 + 3137^2 .

It is a cyclic number.

It is not a de Polignac number, because 542527169 - 2⁸ = 542526913 is a prime.

It is a super-2 number, since 2×542527169² = 588671458206309122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (542527163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271263584 + 271263585.

It is an arithmetic number, because the mean of its divisors is an integer number (271263585).

Almost surely, 2^542527169 is an apocalyptic number.

It is an amenable number.

542527169 is a deficient number, since it is larger than the sum of its proper divisors (1).

542527169 is an equidigital number, since it uses as much as digits as its factorization.

542527169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 542527169 is about 23292.2126256824. The cubic root of 542527169 is about 815.5936402832.

The spelling of 542527169 in words is "five hundred forty-two million, five hundred twenty-seven thousand, one hundred sixty-nine".