531523325 has 12 divisors (see below), whose sum is σ = 659380788. Its totient is φ = 425030400.

The previous prime is 531523313. The next prime is 531523327. The reversal of 531523325 is 523325135.

It can be written as a sum of positive squares in 6 ways, for example, as 174724 + 531348601 = 418^2 + 23051^2 .

It is a de Polignac number, because none of the positive numbers 2^k-531523325 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 (531523327) 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, 91199 + ... + 96851.

It is an arithmetic number, because the mean of its divisors is an integer number (54948399).

Almost surely, 2^531523325 is an apocalyptic number.

It is an amenable number.

531523325 is a deficient number, since it is larger than the sum of its proper divisors (127857463).

531523325 is a wasteful number, since it uses less digits than its factorization.

531523325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9424 (or 9419 counting only the distinct ones).

The product of its digits is 13500, while the sum is 29.

The square root of 531523325 is about 23054.7896325254. The cubic root of 531523325 is about 810.0418232736.

The spelling of 531523325 in words is "five hundred thirty-one million, five hundred twenty-three thousand, three hundred twenty-five".