432331257 has 16 divisors (see below), whose sum is σ = 582016320. Its totient is φ = 285446592.

The previous prime is 432331247. The next prime is 432331259. The reversal of 432331257 is 752133234.

It is not a de Polignac number, because 432331257 - 2⁷ = 432331129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (432331259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 153619 + ... + 156407.

It is an arithmetic number, because the mean of its divisors is an integer number (36376020).

Almost surely, 2^432331257 is an apocalyptic number.

It is an amenable number.

432331257 is a deficient number, since it is larger than the sum of its proper divisors (149685063).

432331257 is a wasteful number, since it uses less digits than its factorization.

432331257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its digits is 15120, while the sum is 30.

The square root of 432331257 is about 20792.5769687165. The cubic root of 432331257 is about 756.1458017130.

The spelling of 432331257 in words is "four hundred thirty-two million, three hundred thirty-one thousand, two hundred fifty-seven".