431353 has 4 divisors (see below), whose sum is σ = 464548. Its totient is φ = 398160.

The previous prime is 431339. The next prime is 431363. The reversal of 431353 is 353134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 310249 = 348^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 431353 - 2⁹ = 430841 is a prime.

It is a Duffinian number.

431353 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 431353.

It is not an unprimeable number, because it can be changed into a prime (431363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16578 + ... + 16603.

It is an arithmetic number, because the mean of its divisors is an integer number (116137).

2⁴³¹³⁵³ is an apocalyptic number.

It is an amenable number.

431353 is a deficient number, since it is larger than the sum of its proper divisors (33195).

431353 is a wasteful number, since it uses less digits than its factorization.

431353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33194.

The product of its digits is 540, while the sum is 19.

The square root of 431353 is about 656.7746950058. The cubic root of 431353 is about 75.5575048357.

Adding to 431353 its reverse (353134), we get a palindrome (784487).

It can be divided in two parts, 431 and 353, that added together give a square (784 = 28²).

The spelling of 431353 in words is "four hundred thirty-one thousand, three hundred fifty-three".