531245015432 has 8 divisors (see below), whose sum is σ = 996084403950. Its totient is φ = 265622507712.

The previous prime is 531245015387. The next prime is 531245015453. The reversal of 531245015432 is 234510542135.

It can be written as a sum of positive squares in only one way, i.e., 523287304996 + 7957710436 = 723386^2 + 89206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 531245015392 and 531245015401.

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 as a sum of consecutive naturals, namely, 33202813457 + ... + 33202813472.

Almost surely, 2^531245015432 is an apocalyptic number.

It is an amenable number.

531245015432 is a deficient number, since it is larger than the sum of its proper divisors (464839388518).

531245015432 is a wasteful number, since it uses less digits than its factorization.

531245015432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66405626935 (or 66405626931 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 531245015432 its reverse (234510542135), we get a palindrome (765755557567).

The spelling of 531245015432 in words is "five hundred thirty-one billion, two hundred forty-five million, fifteen thousand, four hundred thirty-two".