542541071 has 4 divisors (see below), whose sum is σ = 542657544. Its totient is φ = 542424600.

The previous prime is 542541059. The next prime is 542541073. The reversal of 542541071 is 170145245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170145245 = 5 ⋅34029049.

It is a cyclic number.

It is not a de Polignac number, because 542541071 - 2⁶ = 542541007 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 (542541073) 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, 50945 + ... + 60666.

It is an arithmetic number, because the mean of its divisors is an integer number (135664386).

Almost surely, 2^542541071 is an apocalyptic number.

542541071 is a deficient number, since it is larger than the sum of its proper divisors (116473).

542541071 is a wasteful number, since it uses less digits than its factorization.

542541071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116472.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 542541071 is about 23292.5110496915. The cubic root of 542541071 is about 815.6006066231.

The spelling of 542541071 in words is "five hundred forty-two million, five hundred forty-one thousand, seventy-one".