542793 has 16 divisors (see below), whose sum is σ = 794880. Its totient is φ = 327936.

The previous prime is 542791. The next prime is 542797. The reversal of 542793 is 397245.

It is not a de Polignac number, because 542793 - 2¹ = 542791 is a prime.

It is a Curzon number.

542793 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 542793.

It is not an unprimeable number, because it can be changed into a prime (542791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (49680).

2⁵⁴²⁷⁹³ is an apocalyptic number.

It is an amenable number.

542793 is a deficient number, since it is larger than the sum of its proper divisors (252087).

542793 is a wasteful number, since it uses less digits than its factorization.

542793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its digits is 7560, while the sum is 30.

The square root of 542793 is about 736.7448676442. The cubic root of 542793 is about 81.5726828495.

The spelling of 542793 in words is "five hundred forty-two thousand, seven hundred ninety-three".