531403004532 has 12 divisors (see below), whose sum is σ = 1239940343936. Its totient is φ = 177134334840.

The previous prime is 531403004527. The next prime is 531403004537. The reversal of 531403004532 is 235400304135.

It is an interprime number because it is at equal distance from previous prime (531403004527) and next prime (531403004537).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×531403004532³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531403004532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531403004537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22141791844 + ... + 22141791867.

Almost surely, 2^531403004532 is an apocalyptic number.

It is an amenable number.

531403004532 is an abundant number, since it is smaller than the sum of its proper divisors (708537339404).

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

531403004532 is a wasteful number, since it uses less digits than its factorization.

531403004532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44283583718 (or 44283583716 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 531403004532 its reverse (235400304135), we get a palindrome (766803308667).

The spelling of 531403004532 in words is "five hundred thirty-one billion, four hundred three million, four thousand, five hundred thirty-two".