431252532 has 96 divisors (see below), whose sum is σ = 1222179840. Its totient is φ = 130913280.

The previous prime is 431252491. The next prime is 431252539. The reversal of 431252532 is 235252134.

It is a happy number.

431252532 is a `hidden beast` number, since 4 + 3 + 125 + 2 + 532 = 666.

It is a super-2 number, since 2×431252532² = 371957492712822048, which contains 22 as substring.

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 = 431252496 and 431252505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431252539) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 53128 + ... + 60704.

It is an arithmetic number, because the mean of its divisors is an integer number (12731040).

Almost surely, 2^431252532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431252532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611089920).

431252532 is an abundant number, since it is smaller than the sum of its proper divisors (790927308).

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

431252532 is a wasteful number, since it uses less digits than its factorization.

431252532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638 (or 7630 counting only the distinct ones).

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

The square root of 431252532 is about 20766.6206206017. The cubic root of 431252532 is about 755.5163825551.

The spelling of 431252532 in words is "four hundred thirty-one million, two hundred fifty-two thousand, five hundred thirty-two".