542432405 has 8 divisors (see below), whose sum is σ = 664768512. Its totient is φ = 424712848.

The previous prime is 542432381. The next prime is 542432411. The reversal of 542432405 is 504234245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542432405 - 2¹⁰ = 542431381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153877 + ... + 1154346.

It is an arithmetic number, because the mean of its divisors is an integer number (83096064).

Almost surely, 2^542432405 is an apocalyptic number.

It is an amenable number.

542432405 is a deficient number, since it is larger than the sum of its proper divisors (122336107).

542432405 is a wasteful number, since it uses less digits than its factorization.

542432405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308275.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 542432405 is about 23290.1782947233. The cubic root of 542432405 is about 815.5461505471.

The spelling of 542432405 in words is "five hundred forty-two million, four hundred thirty-two thousand, four hundred five".