531616017 has 4 divisors (see below), whose sum is σ = 708821360. Its totient is φ = 354410676.

The previous prime is 531615971. The next prime is 531616021. The reversal of 531616017 is 710616135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 531616017 - 2¹⁸ = 531353873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531616087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88602667 + ... + 88602672.

It is an arithmetic number, because the mean of its divisors is an integer number (177205340).

Almost surely, 2^531616017 is an apocalyptic number.

It is an amenable number.

531616017 is a deficient number, since it is larger than the sum of its proper divisors (177205343).

531616017 is a wasteful number, since it uses less digits than its factorization.

531616017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177205342.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 531616017 is about 23056.7997996253. The cubic root of 531616017 is about 810.0889080887.

The spelling of 531616017 in words is "five hundred thirty-one million, six hundred sixteen thousand, seventeen".