542563907 has 2 divisors, whose sum is σ = 542563908. Its totient is φ = 542563906.

The previous prime is 542563841. The next prime is 542563909. The reversal of 542563907 is 709365245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542563907 - 2¹⁰ = 542562883 is a prime.

Together with 542563909, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_28475753 and since 542563907 and 28475753 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (542563909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271281953 + 271281954.

It is an arithmetic number, because the mean of its divisors is an integer number (271281954).

Almost surely, 2^542563907 is an apocalyptic number.

542563907 is a deficient number, since it is larger than the sum of its proper divisors (1).

542563907 is an equidigital number, since it uses as much as digits as its factorization.

542563907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 542563907 is about 23293.0012450092. The cubic root of 542563907 is about 815.6120495627.

The spelling of 542563907 in words is "five hundred forty-two million, five hundred sixty-three thousand, nine hundred seven".