539522 has 4 divisors (see below), whose sum is σ = 809286. Its totient is φ = 269760.

The previous prime is 539509. The next prime is 539533. The reversal of 539522 is 225935.

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

It can be written as a sum of positive squares in only one way, i.e., 290521 + 249001 = 539^2 + 499^2 .

It is a d-powerful number, because it can be written as 5⁶ + 3⁷ + 5⁸ + 9 + 2² + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 539491 and 539500.

It is an unprimeable number.

539522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134879 + ... + 134882.

2⁵³⁹⁵²² is an apocalyptic number.

539522 is a deficient number, since it is larger than the sum of its proper divisors (269764).

539522 is a wasteful number, since it uses less digits than its factorization.

539522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269763.

The product of its digits is 2700, while the sum is 26.

The square root of 539522 is about 734.5216130244. The cubic root of 539522 is about 81.4084937821.

The spelling of 539522 in words is "five hundred thirty-nine thousand, five hundred twenty-two".