542328593 has 4 divisors (see below), whose sum is σ = 543587328. Its totient is φ = 541069860.

The previous prime is 542328587. The next prime is 542328617. The reversal of 542328593 is 395823245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 395823245 = 5 ⋅79164649.

It is a cyclic number.

It is not a de Polignac number, because 542328593 - 2¹⁸ = 542066449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542328593.

It is not an unprimeable number, because it can be changed into a prime (542328503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628721 + ... + 629582.

It is an arithmetic number, because the mean of its divisors is an integer number (135896832).

Almost surely, 2^542328593 is an apocalyptic number.

It is an amenable number.

542328593 is a deficient number, since it is larger than the sum of its proper divisors (1258735).

542328593 is a wasteful number, since it uses less digits than its factorization.

542328593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258734.

The product of its digits is 259200, while the sum is 41.

The square root of 542328593 is about 23287.9495233050. The cubic root of 542328593 is about 815.4941201756.

The spelling of 542328593 in words is "five hundred forty-two million, three hundred twenty-eight thousand, five hundred ninety-three".