531226132 has 24 divisors (see below), whose sum is σ = 985158720. Its totient is φ = 249778560.

The previous prime is 531226103. The next prime is 531226133. The reversal of 531226132 is 231622135.

It is a junction number, because it is equal to n+sod(n) for n = 531226097 and 531226106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531226133) by changing a digit.

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, 103507 + ... + 108517.

It is an arithmetic number, because the mean of its divisors is an integer number (41048280).

Almost surely, 2^531226132 is an apocalyptic number.

It is an amenable number.

531226132 is a deficient number, since it is larger than the sum of its proper divisors (453932588).

531226132 is a wasteful number, since it uses less digits than its factorization.

531226132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6589 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 531226132 is about 23048.3433677998. The cubic root of 531226132 is about 809.8908210311.

Adding to 531226132 its reverse (231622135), we get a palindrome (762848267).

The spelling of 531226132 in words is "five hundred thirty-one million, two hundred twenty-six thousand, one hundred thirty-two".