542946563 has 2 divisors, whose sum is σ = 542946564. Its totient is φ = 542946562.

The previous prime is 542946517. The next prime is 542946571. The reversal of 542946563 is 365649245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542946563 - 2⁶ = 542946499 is a prime.

It is not a weakly prime, because it can be changed into another prime (542946583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271473281 + 271473282.

It is an arithmetic number, because the mean of its divisors is an integer number (271473282).

Almost surely, 2^542946563 is an apocalyptic number.

542946563 is a deficient number, since it is larger than the sum of its proper divisors (1).

542946563 is an equidigital number, since it uses as much as digits as its factorization.

542946563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 44.

The square root of 542946563 is about 23301.2137666689. The cubic root of 542946563 is about 815.8037477187.

The spelling of 542946563 in words is "five hundred forty-two million, nine hundred forty-six thousand, five hundred sixty-three".