542567506 has 8 divisors (see below), whose sum is σ = 876455244. Its totient is φ = 250415760.

The previous prime is 542567503. The next prime is 542567513. The reversal of 542567506 is 605765245.

It can be written as a sum of positive squares in 2 ways, for example, as 523723225 + 18844281 = 22885^2 + 4341^2 .

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

It is not an unprimeable number, because it can be changed into a prime (542567503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10433965 + ... + 10434016.

Almost surely, 2^542567506 is an apocalyptic number.

542567506 is a deficient number, since it is larger than the sum of its proper divisors (333887738).

542567506 is a wasteful number, since it uses less digits than its factorization.

542567506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20867996.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 542567506 is about 23293.0784998463. The cubic root of 542567506 is about 815.6138529639.

The spelling of 542567506 in words is "five hundred forty-two million, five hundred sixty-seven thousand, five hundred six".