539521325 has 24 divisors (see below), whose sum is σ = 771373248. Its totient is φ = 366670080.

The previous prime is 539521289. The next prime is 539521343. The reversal of 539521325 is 523125935.

It is not a de Polignac number, because 539521325 - 2²² = 535327021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6134 + ... + 33416.

It is an arithmetic number, because the mean of its divisors is an integer number (32140552).

Almost surely, 2^539521325 is an apocalyptic number.

It is an amenable number.

539521325 is a deficient number, since it is larger than the sum of its proper divisors (231851923).

539521325 is a wasteful number, since it uses less digits than its factorization.

539521325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27413 (or 27408 counting only the distinct ones).

The product of its digits is 40500, while the sum is 35.

The square root of 539521325 is about 23227.5983476553. The cubic root of 539521325 is about 814.0845983185.

The spelling of 539521325 in words is "five hundred thirty-nine million, five hundred twenty-one thousand, three hundred twenty-five".