539549345 has 4 divisors (see below), whose sum is σ = 647459220. Its totient is φ = 431639472.

The previous prime is 539549333. The next prime is 539549369. The reversal of 539549345 is 543945935.

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 318015889 + 221533456 = 17833^2 + 14884^2 .

It is a cyclic number.

It is not a de Polignac number, because 539549345 - 2¹² = 539545249 is a prime.

It is a super-2 number, since 2×539549345² = 582226991379858050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 539549345.

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, 53954930 + ... + 53954939.

It is an arithmetic number, because the mean of its divisors is an integer number (161864805).

Almost surely, 2^539549345 is an apocalyptic number.

It is an amenable number.

539549345 is a deficient number, since it is larger than the sum of its proper divisors (107909875).

539549345 is a wasteful number, since it uses less digits than its factorization.

539549345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107909874.

The product of its digits is 1458000, while the sum is 47.

The square root of 539549345 is about 23228.2015016230. The cubic root of 539549345 is about 814.0986912156.

It can be divided in two parts, 5395 and 49345, that multiplied together give a triangular number (266216275 = T₂₃₀₇₄).

The spelling of 539549345 in words is "five hundred thirty-nine million, five hundred forty-nine thousand, three hundred forty-five".