432931249 has 3 divisors (see below), whose sum is σ = 432952057. Its totient is φ = 432910442.

The previous prime is 432931243. The next prime is 432931253. The reversal of 432931249 is 942139234.

The square root of 432931249 is 20807.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 942139234 = 2 ⋅471069617.

It is not a de Polignac number, because 432931249 - 2²¹ = 430834097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432931243) 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 2 ways as a sum of consecutive naturals, for example, 10404 + ... + 31210.

Almost surely, 2^432931249 is an apocalyptic number.

432931249 is the 20807-th square number.

432931249 is the 10404-th centered octagonal number.

It is an amenable number.

432931249 is a deficient number, since it is larger than the sum of its proper divisors (20808).

432931249 is an frugal number, since it uses more digits than its factorization.

432931249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41614 (or 20807 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The cubic root of 432931249 is about 756.4954346331.

Multiplying 432931249 by its product of digits (46656), we get a square (20198840353344 = 4494312²).

The spelling of 432931249 in words is "four hundred thirty-two million, nine hundred thirty-one thousand, two hundred forty-nine".