539504345 has 4 divisors (see below), whose sum is σ = 647405220. Its totient is φ = 431603472.

The previous prime is 539504309. The next prime is 539504387. The reversal of 539504345 is 543405935.

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 191905609 + 347598736 = 13853^2 + 18644^2 .

It is a cyclic number.

It is not a de Polignac number, because 539504345 - 2¹⁴ = 539487961 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 539504299 and 539504308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53950430 + ... + 53950439.

It is an arithmetic number, because the mean of its divisors is an integer number (161851305).

Almost surely, 2^539504345 is an apocalyptic number.

It is an amenable number.

539504345 is a deficient number, since it is larger than the sum of its proper divisors (107900875).

539504345 is a wasteful number, since it uses less digits than its factorization.

539504345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107900874.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 539504345 is about 23227.2328313125. The cubic root of 539504345 is about 814.0760578458.

The spelling of 539504345 in words is "five hundred thirty-nine million, five hundred four thousand, three hundred forty-five".