542453161 has 2 divisors, whose sum is σ = 542453162. Its totient is φ = 542453160.

The previous prime is 542453147. The next prime is 542453209. The reversal of 542453161 is 161354245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485541225 + 56911936 = 22035^2 + 7544^2 .

It is a cyclic number.

It is not a de Polignac number, because 542453161 - 2⁹ = 542452649 is a prime.

It is not a weakly prime, because it can be changed into another prime (542453111) 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, 271226580 + 271226581.

It is an arithmetic number, because the mean of its divisors is an integer number (271226581).

Almost surely, 2^542453161 is an apocalyptic number.

It is an amenable number.

542453161 is a deficient number, since it is larger than the sum of its proper divisors (1).

542453161 is an equidigital number, since it uses as much as digits as its factorization.

542453161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 542453161 is about 23290.6238860190. The cubic root of 542453161 is about 815.5565526174.

It can be divided in two parts, 5424 and 53161, that added together give a palindrome (58585).

The spelling of 542453161 in words is "five hundred forty-two million, four hundred fifty-three thousand, one hundred sixty-one".