531544325 has 24 divisors (see below), whose sum is σ = 711475296. Its totient is φ = 391608000.

The previous prime is 531544319. The next prime is 531544337. The reversal of 531544325 is 523445135.

It is a happy number.

It is not a de Polignac number, because 531544325 - 2¹⁶ = 531478789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531544291 and 531544300.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 157910 + ... + 161240.

It is an arithmetic number, because the mean of its divisors is an integer number (29644804).

Almost surely, 2^531544325 is an apocalyptic number.

It is an amenable number.

531544325 is a deficient number, since it is larger than the sum of its proper divisors (179930971).

531544325 is a wasteful number, since it uses less digits than its factorization.

531544325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3840 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 531544325 is about 23055.2450648437. The cubic root of 531544325 is about 810.0524911367.

The spelling of 531544325 in words is "five hundred thirty-one million, five hundred forty-four thousand, three hundred twenty-five".