542345293 has 4 divisors (see below), whose sum is σ = 619823200. Its totient is φ = 464867388.

The previous prime is 542345261. The next prime is 542345299. The reversal of 542345293 is 392543245.

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.

It is a cyclic number.

It is not a de Polignac number, because 542345293 - 2⁵ = 542345261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542345299) 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, 38738943 + ... + 38738956.

It is an arithmetic number, because the mean of its divisors is an integer number (154955800).

Almost surely, 2^542345293 is an apocalyptic number.

It is an amenable number.

542345293 is a deficient number, since it is larger than the sum of its proper divisors (77477907).

542345293 is an equidigital number, since it uses as much as digits as its factorization.

542345293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77477906.

The product of its digits is 129600, while the sum is 37.

The square root of 542345293 is about 23288.3080750835. The cubic root of 542345293 is about 815.5024906311.

The spelling of 542345293 in words is "five hundred forty-two million, three hundred forty-five thousand, two hundred ninety-three".