539823545 has 8 divisors (see below), whose sum is σ = 670125960. Its totient is φ = 416967040.

The previous prime is 539823541. The next prime is 539823569. The reversal of 539823545 is 545328935.

It can be written as a sum of positive squares in 4 ways, for example, as 174134416 + 365689129 = 13196^2 + 19123^2 .

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

It is not a de Polignac number, because 539823545 - 2² = 539823541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 539823496 and 539823505.

It is not an unprimeable number, because it can be changed into a prime (539823541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861316 + ... + 1861605.

It is an arithmetic number, because the mean of its divisors is an integer number (83765745).

Almost surely, 2^539823545 is an apocalyptic number.

It is an amenable number.

539823545 is a deficient number, since it is larger than the sum of its proper divisors (130302415).

539823545 is a wasteful number, since it uses less digits than its factorization.

539823545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722955.

The product of its digits is 648000, while the sum is 44.

The square root of 539823545 is about 23234.1030599419. The cubic root of 539823545 is about 814.2365766931.

The spelling of 539823545 in words is "five hundred thirty-nine million, eight hundred twenty-three thousand, five hundred forty-five".