531532042 has 8 divisors (see below), whose sum is σ = 797555556. Its totient is φ = 265680192.

The previous prime is 531532019. The next prime is 531532051. The reversal of 531532042 is 240235135.

It can be written as a sum of positive squares in 2 ways, for example, as 462293001 + 69239041 = 21501^2 + 8321^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 531531998 and 531532016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34873 + ... + 47740.

Almost surely, 2^531532042 is an apocalyptic number.

531532042 is a deficient number, since it is larger than the sum of its proper divisors (266023514).

531532042 is a wasteful number, since it uses less digits than its factorization.

531532042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85832.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 531532042 is about 23054.9786814042. The cubic root of 531532042 is about 810.0462514869.

Adding to 531532042 its reverse (240235135), we get a palindrome (771767177).

The spelling of 531532042 in words is "five hundred thirty-one million, five hundred thirty-two thousand, forty-two".