531325442205 has 24 divisors (see below), whose sum is σ = 921059830392. Its totient is φ = 283344113664.

The previous prime is 531325442191. The next prime is 531325442239. The reversal of 531325442205 is 502244523135.

531325442205 is a `hidden beast` number, since 5 + 3 + 1 + 3 + 2 + 5 + 442 + 205 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12087023481 + 519238418724 = 109941^2 + 720582^2 .

It is not a de Polignac number, because 531325442205 - 2⁴ = 531325442189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531325442205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172444 + ... + 1045173.

It is an arithmetic number, because the mean of its divisors is an integer number (38377492933).

Almost surely, 2^531325442205 is an apocalyptic number.

It is an amenable number.

531325442205 is a deficient number, since it is larger than the sum of its proper divisors (389734388187).

531325442205 is a wasteful number, since it uses less digits than its factorization.

531325442205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227325 (or 1227322 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 531325442205 in words is "five hundred thirty-one billion, three hundred twenty-five million, four hundred forty-two thousand, two hundred five".