539243383 has 24 divisors (see below), whose sum is σ = 670388400. Its totient is φ = 430956288.

The previous prime is 539243381. The next prime is 539243387. The reversal of 539243383 is 383342935.

It is a happy number.

It is not a de Polignac number, because 539243383 - 2¹ = 539243381 is a prime.

It is a super-2 number, since 2×539243383² = 581566852218569378, which contains 22 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 (539243381) 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 23 ways as a sum of consecutive naturals, for example, 87828 + ... + 93766.

It is an arithmetic number, because the mean of its divisors is an integer number (27932850).

Almost surely, 2^539243383 is an apocalyptic number.

539243383 is a deficient number, since it is larger than the sum of its proper divisors (131145017).

539243383 is a wasteful number, since it uses less digits than its factorization.

539243383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079 (or 6072 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 539243383 is about 23221.6145648833. The cubic root of 539243383 is about 813.9447785949.

The spelling of 539243383 in words is "five hundred thirty-nine million, two hundred forty-three thousand, three hundred eighty-three".