531727136 has 12 divisors (see below), whose sum is σ = 1046837862. Its totient is φ = 265863552.

The previous prime is 531727127. The next prime is 531727153. The reversal of 531727136 is 631727135.

It can be written as a sum of positive squares in only one way, i.e., 381811600 + 149915536 = 19540^2 + 12244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 531727096 and 531727105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8308205 + ... + 8308268.

Almost surely, 2^531727136 is an apocalyptic number.

It is an amenable number.

531727136 is a deficient number, since it is larger than the sum of its proper divisors (515110726).

531727136 is a wasteful number, since it uses less digits than its factorization.

531727136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16616483 (or 16616475 counting only the distinct ones).

The product of its digits is 26460, while the sum is 35.

The square root of 531727136 is about 23059.2093533148. The cubic root of 531727136 is about 810.1453460662.

Subtracting 531727136 from its reverse (631727135), we obtain a palindrome (99999999).

The spelling of 531727136 in words is "five hundred thirty-one million, seven hundred twenty-seven thousand, one hundred thirty-six".