539661311 has 16 divisors (see below), whose sum is σ = 668969280. Its totient is φ = 424734720.

The previous prime is 539661307. The next prime is 539661337. The reversal of 539661311 is 113166935.

It is a cyclic number.

It is not a de Polignac number, because 539661311 - 2² = 539661307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539661301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50426 + ... + 60183.

It is an arithmetic number, because the mean of its divisors is an integer number (41810580).

Almost surely, 2^539661311 is an apocalyptic number.

539661311 is a deficient number, since it is larger than the sum of its proper divisors (129307969).

539661311 is a wasteful number, since it uses less digits than its factorization.

539661311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110674.

The product of its digits is 14580, while the sum is 35.

The square root of 539661311 is about 23230.6115072333. The cubic root of 539661311 is about 814.1550005970.

The spelling of 539661311 in words is "five hundred thirty-nine million, six hundred sixty-one thousand, three hundred eleven".