542166953 has 2 divisors, whose sum is σ = 542166954. Its totient is φ = 542166952.

The previous prime is 542166931. The next prime is 542166997. The reversal of 542166953 is 359661245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518381824 + 23785129 = 22768^2 + 4877^2 .

It is a cyclic number.

It is not a de Polignac number, because 542166953 - 2¹⁰ = 542165929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542166953.

It is not a weakly prime, because it can be changed into another prime (542166253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271083476 + 271083477.

It is an arithmetic number, because the mean of its divisors is an integer number (271083477).

Almost surely, 2^542166953 is an apocalyptic number.

It is an amenable number.

542166953 is a deficient number, since it is larger than the sum of its proper divisors (1).

542166953 is an equidigital number, since it uses as much as digits as its factorization.

542166953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 542166953 is about 23284.4788002652. The cubic root of 542166953 is about 815.4130933041.

The spelling of 542166953 in words is "five hundred forty-two million, one hundred sixty-six thousand, nine hundred fifty-three".