539253543 has 4 divisors (see below), whose sum is σ = 719004728. Its totient is φ = 359502360.

The previous prime is 539253529. The next prime is 539253553. The reversal of 539253543 is 345352935.

It is a happy number.

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

It is not a de Polignac number, because 539253543 - 2⁶ = 539253479 is a prime.

It is a super-3 number, since 3×539253543³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539253523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89875588 + ... + 89875593.

It is an arithmetic number, because the mean of its divisors is an integer number (179751182).

Almost surely, 2^539253543 is an apocalyptic number.

539253543 is a deficient number, since it is larger than the sum of its proper divisors (179751185).

539253543 is a wasteful number, since it uses less digits than its factorization.

539253543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179751184.

The product of its digits is 243000, while the sum is 39.

The square root of 539253543 is about 23221.8333255581. The cubic root of 539253543 is about 813.9498904654.

The spelling of 539253543 in words is "five hundred thirty-nine million, two hundred fifty-three thousand, five hundred forty-three".