542097 has 24 divisors (see below), whose sum is σ = 848640. Its totient is φ = 332640.

The previous prime is 542093. The next prime is 542111. The reversal of 542097 is 790245.

It is not a de Polignac number, because 542097 - 2² = 542093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542097.

It is not an unprimeable number, because it can be changed into a prime (542093) 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 23 ways as a sum of consecutive naturals, for example, 8058 + ... + 8124.

It is an arithmetic number, because the mean of its divisors is an integer number (35360).

2⁵⁴²⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

542097 is a deficient number, since it is larger than the sum of its proper divisors (306543).

542097 is a wasteful number, since it uses less digits than its factorization.

542097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 542097 is about 736.2723680813. The cubic root of 542097 is about 81.5378022283.

The spelling of 542097 in words is "five hundred forty-two thousand, ninety-seven".