531725906322 has 210 divisors, whose sum is σ = 1307051708937. Its totient is φ = 162160113024.

The previous prime is 531725906311. The next prime is 531725906333. The reversal of 531725906322 is 223609527135.

531725906322 is a `hidden beast` number, since 5 + 3 + 1 + 7 + 2 + 5 + 9 + 0 + 632 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (531725906311) and next prime (531725906333).

It can be written as a sum of positive squares in 8 ways, for example, as 521762073561 + 9963832761 = 722331^2 + 99819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=515619.

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 4705538938 + ... + 4705539050.

Almost surely, 2^531725906322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531725906322

531725906322 is an abundant number, since it is smaller than the sum of its proper divisors (775325802615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531725906322 is an frugal number, since it uses more digits than its factorization.

531725906322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 531725906322 in words is "five hundred thirty-one billion, seven hundred twenty-five million, nine hundred six thousand, three hundred twenty-two".