539745 has 8 divisors (see below), whose sum is σ = 863616. Its totient is φ = 287856.

The previous prime is 539743. The next prime is 539761. The reversal of 539745 is 547935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 539745 - 2¹ = 539743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (539743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17977 + ... + 18006.

It is an arithmetic number, because the mean of its divisors is an integer number (107952).

2⁵³⁹⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

539745 is a deficient number, since it is larger than the sum of its proper divisors (323871).

539745 is a wasteful number, since it uses less digits than its factorization.

539745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35991.

The product of its digits is 18900, while the sum is 33.

The square root of 539745 is about 734.6733968234. The cubic root of 539745 is about 81.4197083965.

The spelling of 539745 in words is "five hundred thirty-nine thousand, seven hundred forty-five".