542811459 has 4 divisors (see below), whose sum is σ = 723748616. Its totient is φ = 361874304.

The previous prime is 542811439. The next prime is 542811481. The reversal of 542811459 is 954118245.

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

It is not a de Polignac number, because 542811459 - 2⁵ = 542811427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542811439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90468574 + ... + 90468579.

It is an arithmetic number, because the mean of its divisors is an integer number (180937154).

Almost surely, 2^542811459 is an apocalyptic number.

542811459 is a deficient number, since it is larger than the sum of its proper divisors (180937157).

542811459 is a wasteful number, since it uses less digits than its factorization.

542811459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180937156.

The product of its digits is 57600, while the sum is 39.

The square root of 542811459 is about 23298.3145098524. The cubic root of 542811459 is about 815.7360753175.

The spelling of 542811459 in words is "five hundred forty-two million, eight hundred eleven thousand, four hundred fifty-nine".