431359 has 4 divisors (see below), whose sum is σ = 435904. Its totient is φ = 426816.

The previous prime is 431339. The next prime is 431363. The reversal of 431359 is 953134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 431359 - 2⁹ = 430847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431329) 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 3 ways as a sum of consecutive naturals, for example, 2127 + ... + 2320.

It is an arithmetic number, because the mean of its divisors is an integer number (108976).

2⁴³¹³⁵⁹ is an apocalyptic number.

431359 is a deficient number, since it is larger than the sum of its proper divisors (4545).

431359 is an equidigital number, since it uses as much as digits as its factorization.

431359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544.

The product of its digits is 1620, while the sum is 25.

The square root of 431359 is about 656.7792627664. The cubic root of 431359 is about 75.5578551620.

The spelling of 431359 in words is "four hundred thirty-one thousand, three hundred fifty-nine".