542498 has 8 divisors (see below), whose sum is σ = 887760. Its totient is φ = 246580.

The previous prime is 542497. The next prime is 542519. The reversal of 542498 is 894245.

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542498.

It is not an unprimeable number, because it can be changed into a prime (542497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12308 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (110970).

2⁵⁴²⁴⁹⁸ is an apocalyptic number.

542498 is a deficient number, since it is larger than the sum of its proper divisors (345262).

542498 is a wasteful number, since it uses less digits than its factorization.

542498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24672.

The product of its digits is 11520, while the sum is 32.

The square root of 542498 is about 736.5446354431. The cubic root of 542498 is about 81.5579023210.

It can be divided in two parts, 54 and 2498, that added together give a palindrome (2552).

The spelling of 542498 in words is "five hundred forty-two thousand, four hundred ninety-eight".