542504533 has 4 divisors (see below), whose sum is σ = 542646540. Its totient is φ = 542362528.

The previous prime is 542504531. The next prime is 542504569. The reversal of 542504533 is 335405245.

It is a happy number.

542504533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29844369 + 512660164 = 5463^2 + 22642^2 .

It is a cyclic number.

It is not a de Polignac number, because 542504533 - 2¹ = 542504531 is a prime.

It is a super-2 number, since 2×542504533² = 588622336651096178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542504495 and 542504504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542504531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65110 + ... + 72967.

It is an arithmetic number, because the mean of its divisors is an integer number (135661635).

Almost surely, 2^542504533 is an apocalyptic number.

It is an amenable number.

542504533 is a deficient number, since it is larger than the sum of its proper divisors (142007).

542504533 is a wasteful number, since it uses less digits than its factorization.

542504533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142006.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 542504533 is about 23291.7267071379. The cubic root of 542504533 is about 815.5822970513.

Adding to 542504533 its reverse (335405245), we get a palindrome (877909778).

The spelling of 542504533 in words is "five hundred forty-two million, five hundred four thousand, five hundred thirty-three".