542462243 has 4 divisors (see below), whose sum is σ = 555077688. Its totient is φ = 529846800.

The previous prime is 542462233. The next prime is 542462257. The reversal of 542462243 is 342264245.

It is a happy number.

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 542462243 - 2⁴ = 542462227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542462233) 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, 6307658 + ... + 6307743.

It is an arithmetic number, because the mean of its divisors is an integer number (138769422).

Almost surely, 2^542462243 is an apocalyptic number.

542462243 is a deficient number, since it is larger than the sum of its proper divisors (12615445).

542462243 is a wasteful number, since it uses less digits than its factorization.

542462243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12615444.

The product of its digits is 46080, while the sum is 32.

The square root of 542462243 is about 23290.8188563648. The cubic root of 542462243 is about 815.5611040661.

The spelling of 542462243 in words is "five hundred forty-two million, four hundred sixty-two thousand, two hundred forty-three".