539142773 has 4 divisors (see below), whose sum is σ = 580615308. Its totient is φ = 497670240.

The previous prime is 539142763. The next prime is 539142817. The reversal of 539142773 is 377241935.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210192004 + 328950769 = 14498^2 + 18137^2 .

It is a cyclic number.

It is not a de Polignac number, because 539142773 - 2²⁶ = 472033909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539142773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539142713) 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, 20736248 + ... + 20736273.

It is an arithmetic number, because the mean of its divisors is an integer number (145153827).

Almost surely, 2^539142773 is an apocalyptic number.

It is an amenable number.

539142773 is a deficient number, since it is larger than the sum of its proper divisors (41472535).

539142773 is a wasteful number, since it uses less digits than its factorization.

539142773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41472534.

The product of its digits is 158760, while the sum is 41.

The square root of 539142773 is about 23219.4481631239. The cubic root of 539142773 is about 813.8941545290.

The spelling of 539142773 in words is "five hundred thirty-nine million, one hundred forty-two thousand, seven hundred seventy-three".