431205252 has 48 divisors (see below), whose sum is σ = 1045877952. Its totient is φ = 138153600.

The previous prime is 431205239. The next prime is 431205283. The reversal of 431205252 is 252502134.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31002 + ... + 42702.

It is an arithmetic number, because the mean of its divisors is an integer number (21789124).

Almost surely, 2^431205252 is an apocalyptic number.

It is an amenable number.

431205252 is an abundant number, since it is smaller than the sum of its proper divisors (614672700).

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

431205252 is a wasteful number, since it uses less digits than its factorization.

431205252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828 (or 11826 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 431205252 is about 20765.4822241141. The cubic root of 431205252 is about 755.4887714167.

Adding to 431205252 its reverse (252502134), we get a palindrome (683707386).

The spelling of 431205252 in words is "four hundred thirty-one million, two hundred five thousand, two hundred fifty-two".