431225532 has 30 divisors (see below), whose sum is σ = 1127309568. Its totient is φ = 143741736.

The previous prime is 431225489. The next prime is 431225533. The reversal of 431225532 is 235522134.

It is a happy number.

431225532 is a `hidden beast` number, since 4 + 3 + 122 + 5 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 431225496 and 431225505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431225533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 665148 + ... + 665795.

Almost surely, 2^431225532 is an apocalyptic number.

It is an amenable number.

431225532 is an abundant number, since it is smaller than the sum of its proper divisors (696084036).

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

431225532 is a wasteful number, since it uses less digits than its factorization.

431225532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330959 (or 1330948 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 431225532 is about 20765.9705287280. The cubic root of 431225532 is about 755.5006150202.

Adding to 431225532 its reverse (235522134), we get a palindrome (666747666).

The spelling of 431225532 in words is "four hundred thirty-one million, two hundred twenty-five thousand, five hundred thirty-two".