542545837 has 8 divisors (see below), whose sum is σ = 589986936. Its totient is φ = 496829952.

The previous prime is 542545823. The next prime is 542545867. The reversal of 542545837 is 738545245.

542545837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 439908676 + 102637161 = 20974^2 + 10131^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 542545837 - 2¹¹ = 542543789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542545793 and 542545802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542545807) 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, 430648 + ... + 431905.

It is an arithmetic number, because the mean of its divisors is an integer number (73748367).

Almost surely, 2^542545837 is an apocalyptic number.

It is an amenable number.

542545837 is a deficient number, since it is larger than the sum of its proper divisors (47441099).

542545837 is a wasteful number, since it uses less digits than its factorization.

542545837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862607.

The product of its digits is 672000, while the sum is 43.

The square root of 542545837 is about 23292.6133570280. The cubic root of 542545837 is about 815.6029948546.

The spelling of 542545837 in words is "five hundred forty-two million, five hundred forty-five thousand, eight hundred thirty-seven".