542147759 has 4 divisors (see below), whose sum is σ = 552377016. Its totient is φ = 531918504.

The previous prime is 542147737. The next prime is 542147761. The reversal of 542147759 is 957741245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542147759 - 2²⁴ = 525370543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542147659) 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 in 3 ways as a sum of consecutive naturals, for example, 5114549 + ... + 5114654.

It is an arithmetic number, because the mean of its divisors is an integer number (138094254).

Almost surely, 2^542147759 is an apocalyptic number.

542147759 is a deficient number, since it is larger than the sum of its proper divisors (10229257).

542147759 is a wasteful number, since it uses less digits than its factorization.

542147759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229256.

The product of its digits is 352800, while the sum is 44.

The square root of 542147759 is about 23284.0666336446. The cubic root of 542147759 is about 815.4034706694.

The spelling of 542147759 in words is "five hundred forty-two million, one hundred forty-seven thousand, seven hundred fifty-nine".