542585837 has 4 divisors (see below), whose sum is σ = 547958076. Its totient is φ = 537213600.

The previous prime is 542585803. The next prime is 542585843. The reversal of 542585837 is 738585245.

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 532178761 + 10407076 = 23069^2 + 3226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542585837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542585791 and 542585800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542185837) 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, 2685968 + ... + 2686169.

It is an arithmetic number, because the mean of its divisors is an integer number (136989519).

Almost surely, 2^542585837 is an apocalyptic number.

It is an amenable number.

542585837 is a deficient number, since it is larger than the sum of its proper divisors (5372239).

542585837 is a wasteful number, since it uses less digits than its factorization.

542585837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372238.

The product of its digits is 1344000, while the sum is 47.

The square root of 542585837 is about 23293.4719825105. The cubic root of 542585837 is about 815.6230382106.

The spelling of 542585837 in words is "five hundred forty-two million, five hundred eighty-five thousand, eight hundred thirty-seven".