539172431 has 6 divisors (see below), whose sum is σ = 627200640. Its totient is φ = 462147756.

The previous prime is 539172419. The next prime is 539172433. The reversal of 539172431 is 134271935.

It is not a de Polignac number, because 539172431 - 2¹⁴ = 539156047 is a prime.

It is a super-2 number, since 2×539172431² = 581413820700899522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539172391 and 539172400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539172433) 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 5 ways as a sum of consecutive naturals, for example, 5501711 + ... + 5501808.

It is an arithmetic number, because the mean of its divisors is an integer number (104533440).

Almost surely, 2^539172431 is an apocalyptic number.

539172431 is a deficient number, since it is larger than the sum of its proper divisors (88028209).

539172431 is a wasteful number, since it uses less digits than its factorization.

539172431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003533 (or 11003526 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 539172431 is about 23220.0868000100. The cubic root of 539172431 is about 813.9090782384.

The spelling of 539172431 in words is "five hundred thirty-nine million, one hundred seventy-two thousand, four hundred thirty-one".