542154863 has 2 divisors, whose sum is σ = 542154864. Its totient is φ = 542154862.

The previous prime is 542154859. The next prime is 542154881. The reversal of 542154863 is 368451245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542154863 - 2² = 542154859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542156863) 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, 271077431 + 271077432.

It is an arithmetic number, because the mean of its divisors is an integer number (271077432).

Almost surely, 2^542154863 is an apocalyptic number.

542154863 is a deficient number, since it is larger than the sum of its proper divisors (1).

542154863 is an equidigital number, since it uses as much as digits as its factorization.

542154863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 38.

The square root of 542154863 is about 23284.2191838163. The cubic root of 542154863 is about 815.4070321837.

The spelling of 542154863 in words is "five hundred forty-two million, one hundred fifty-four thousand, eight hundred sixty-three".