542436487 has 2 divisors, whose sum is σ = 542436488. Its totient is φ = 542436486.

The previous prime is 542436473. The next prime is 542436523. The reversal of 542436487 is 784634245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542436487 - 2⁷ = 542436359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542436287) 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, 271218243 + 271218244.

It is an arithmetic number, because the mean of its divisors is an integer number (271218244).

Almost surely, 2^542436487 is an apocalyptic number.

542436487 is a deficient number, since it is larger than the sum of its proper divisors (1).

542436487 is an equidigital number, since it uses as much as digits as its factorization.

542436487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 43.

The square root of 542436487 is about 23290.2659280653. The cubic root of 542436487 is about 815.5481963019.

The spelling of 542436487 in words is "five hundred forty-two million, four hundred thirty-six thousand, four hundred eighty-seven".