531529117 has 12 divisors (see below), whose sum is σ = 618966876. Its totient is φ = 455112000.

The previous prime is 531529111. The next prime is 531529147. The reversal of 531529117 is 711925135.

It can be written as a sum of positive squares in 2 ways, for example, as 365995161 + 165533956 = 19131^2 + 12866^2 .

It is not a de Polignac number, because 531529117 - 2¹¹ = 531527069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531529111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45367 + ... + 55867.

It is an arithmetic number, because the mean of its divisors is an integer number (51580573).

Almost surely, 2^531529117 is an apocalyptic number.

It is an amenable number.

531529117 is a deficient number, since it is larger than the sum of its proper divisors (87437759).

531529117 is a wasteful number, since it uses less digits than its factorization.

531529117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11548 (or 11541 counting only the distinct ones).

The product of its digits is 9450, while the sum is 34.

The square root of 531529117 is about 23054.9152459947. The cubic root of 531529117 is about 810.0447655999.

The spelling of 531529117 in words is "five hundred thirty-one million, five hundred twenty-nine thousand, one hundred seventeen".