431725 has 12 divisors (see below), whose sum is σ = 612064. Its totient is φ = 295920.

The previous prime is 431707. The next prime is 431729. The reversal of 431725 is 527134.

It is not a de Polignac number, because 431725 - 2⁵ = 431693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431696 and 431705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431729) 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 11 ways as a sum of consecutive naturals, for example, 1059 + ... + 1408.

2⁴³¹⁷²⁵ is an apocalyptic number.

It is an amenable number.

431725 is a deficient number, since it is larger than the sum of its proper divisors (180339).

431725 is a wasteful number, since it uses less digits than its factorization.

431725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2479 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 431725 is about 657.0578361149. The cubic root of 431725 is about 75.5792189273.

Adding to 431725 its reverse (527134), we get a palindrome (958859).

It can be divided in two parts, 431 and 725, that added together give a square (1156 = 34²).

The spelling of 431725 in words is "four hundred thirty-one thousand, seven hundred twenty-five".