531325520402 has 8 divisors (see below), whose sum is σ = 806590549296. Its totient is φ = 262462003972.

The previous prime is 531325520389. The next prime is 531325520423. The reversal of 531325520402 is 204025523135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×531325520402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600377908 + ... + 1600378239.

It is an arithmetic number, because the mean of its divisors is an integer number (100823818662).

Almost surely, 2^531325520402 is an apocalyptic number.

531325520402 is a deficient number, since it is larger than the sum of its proper divisors (275265028894).

531325520402 is a wasteful number, since it uses less digits than its factorization.

531325520402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200756232.

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

The spelling of 531325520402 in words is "five hundred thirty-one billion, three hundred twenty-five million, five hundred twenty thousand, four hundred two".