542534537 has 2 divisors, whose sum is σ = 542534538. Its totient is φ = 542534536.

The previous prime is 542534527. The next prime is 542534543. The reversal of 542534537 is 735435245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292546816 + 249987721 = 17104^2 + 15811^2 .

It is a cyclic number.

It is not a de Polignac number, because 542534537 - 2⁴ = 542534521 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542534537.

It is not a weakly prime, because it can be changed into another prime (542534507) 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, 271267268 + 271267269.

It is an arithmetic number, because the mean of its divisors is an integer number (271267269).

Almost surely, 2^542534537 is an apocalyptic number.

It is an amenable number.

542534537 is a deficient number, since it is larger than the sum of its proper divisors (1).

542534537 is an equidigital number, since it uses as much as digits as its factorization.

542534537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 38.

The square root of 542534537 is about 23292.3707895955. The cubic root of 542534537 is about 815.5973324281.

The spelling of 542534537 in words is "five hundred forty-two million, five hundred thirty-four thousand, five hundred thirty-seven".