542505245 has 8 divisors (see below), whose sum is σ = 659247360. Its totient is φ = 428510160.

The previous prime is 542505221. The next prime is 542505247.

542505245 is nontrivially palindromic in base 10.

542505245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 542505245 - 2¹⁴ = 542488861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542505247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686321 + ... + 687110.

It is an arithmetic number, because the mean of its divisors is an integer number (82405920).

Almost surely, 2^542505245 is an apocalyptic number.

It is an amenable number.

542505245 is a deficient number, since it is larger than the sum of its proper divisors (116742115).

542505245 is a wasteful number, since it uses less digits than its factorization.

542505245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373515.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 542505245 is about 23291.7419915300. The cubic root of 542505245 is about 815.5826538498.

Adding to 542505245 its product of nonzero digits (40000), we get a palindrome (542545245).

It can be divided in two parts, 54250 and 5245, that added together give a palindrome (59495).

The spelling of 542505245 in words is "five hundred forty-two million, five hundred five thousand, two hundred forty-five".