539670631 has 4 divisors (see below), whose sum is σ = 539717392. Its totient is φ = 539623872.

The previous prime is 539670629. The next prime is 539670647. The reversal of 539670631 is 136076935.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 539670631 - 2¹ = 539670629 is a prime.

It is a super-2 number, since 2×539670631² = 582488779927876322, 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 (539670601) 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 3 ways as a sum of consecutive naturals, for example, 7735 + ... + 33751.

It is an arithmetic number, because the mean of its divisors is an integer number (134929348).

Almost surely, 2^539670631 is an apocalyptic number.

539670631 is a deficient number, since it is larger than the sum of its proper divisors (46761).

539670631 is a wasteful number, since it uses less digits than its factorization.

539670631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46760.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 539670631 is about 23230.8121037556. The cubic root of 539670631 is about 814.1596874137.

The spelling of 539670631 in words is "five hundred thirty-nine million, six hundred seventy thousand, six hundred thirty-one".