531435432 has 32 divisors (see below), whose sum is σ = 1449370080. Its totient is φ = 161040960.

The previous prime is 531435391. The next prime is 531435461. The reversal of 531435432 is 234534135.

It is a self number, because there is not a number n which added to its sum of digits gives 531435432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006243 + ... + 1006770.

It is an arithmetic number, because the mean of its divisors is an integer number (45292815).

Almost surely, 2^531435432 is an apocalyptic number.

It is an amenable number.

531435432 is an abundant number, since it is smaller than the sum of its proper divisors (917934648).

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

531435432 is a wasteful number, since it uses less digits than its factorization.

531435432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013033 (or 2013029 counting only the distinct ones).

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

The square root of 531435432 is about 23052.8833771396. The cubic root of 531435432 is about 809.9971711531.

Adding to 531435432 its reverse (234534135), we get a palindrome (765969567).

The spelling of 531435432 in words is "five hundred thirty-one million, four hundred thirty-five thousand, four hundred thirty-two".