542520393 has 8 divisors (see below), whose sum is σ = 724995168. Its totient is φ = 360862944.

The previous prime is 542520383. The next prime is 542520401. The reversal of 542520393 is 393025245.

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

It is not a de Polignac number, because 542520393 - 2¹² = 542516297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542520353) 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 7 ways as a sum of consecutive naturals, for example, 202780 + ... + 205437.

It is an arithmetic number, because the mean of its divisors is an integer number (90624396).

Almost surely, 2^542520393 is an apocalyptic number.

It is an amenable number.

542520393 is a deficient number, since it is larger than the sum of its proper divisors (182474775).

542520393 is a wasteful number, since it uses less digits than its factorization.

542520393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408663.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 542520393 is about 23292.0671688882. The cubic root of 542520393 is about 815.5902447632.

The spelling of 542520393 in words is "five hundred forty-two million, five hundred twenty thousand, three hundred ninety-three".