542507443 has 2 divisors, whose sum is σ = 542507444. Its totient is φ = 542507442.

The previous prime is 542507411. The next prime is 542507447. The reversal of 542507443 is 344705245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542507443 - 2⁵ = 542507411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542507399 and 542507408.

It is not a weakly prime, because it can be changed into another prime (542507447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271253721 + 271253722.

It is an arithmetic number, because the mean of its divisors is an integer number (271253722).

Almost surely, 2^542507443 is an apocalyptic number.

542507443 is a deficient number, since it is larger than the sum of its proper divisors (1).

542507443 is an equidigital number, since it uses as much as digits as its factorization.

542507443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 542507443 is about 23291.7891755872. The cubic root of 542507443 is about 815.5837553127.

The spelling of 542507443 in words is "five hundred forty-two million, five hundred seven thousand, four hundred forty-three".