542005293 has 4 divisors (see below), whose sum is σ = 722673728. Its totient is φ = 361336860.

The previous prime is 542005241. The next prime is 542005301. The reversal of 542005293 is 392500245.

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 not a de Polignac number, because 542005293 - 2¹⁶ = 541939757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542005293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542005493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90334213 + ... + 90334218.

It is an arithmetic number, because the mean of its divisors is an integer number (180668432).

Almost surely, 2^542005293 is an apocalyptic number.

It is an amenable number.

542005293 is a deficient number, since it is larger than the sum of its proper divisors (180668435).

542005293 is a wasteful number, since it uses less digits than its factorization.

542005293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180668434.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 542005293 is about 23281.0071302768. The cubic root of 542005293 is about 815.3320402977.

The spelling of 542005293 in words is "five hundred forty-two million, five thousand, two hundred ninety-three".