431447252 has 12 divisors (see below), whose sum is σ = 755178816. Its totient is φ = 215681880.

The previous prime is 431447249. The next prime is 431447279. The reversal of 431447252 is 252744134.

It is a super-2 number, since 2×431447252² = 372293462516703008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31877 + ... + 43347.

It is an arithmetic number, because the mean of its divisors is an integer number (62931568).

Almost surely, 2^431447252 is an apocalyptic number.

It is an amenable number.

431447252 is a deficient number, since it is larger than the sum of its proper divisors (323731564).

431447252 is a wasteful number, since it uses less digits than its factorization.

431447252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20878 (or 20876 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 431447252 is about 20771.3083844037. The cubic root of 431447252 is about 755.6300761978.

The spelling of 431447252 in words is "four hundred thirty-one million, four hundred forty-seven thousand, two hundred fifty-two".