431425 has 6 divisors (see below), whose sum is σ = 534998. Its totient is φ = 345120.

The previous prime is 431423. The next prime is 431429. The reversal of 431425 is 524134.

It can be written as a sum of positive squares in 3 ways, for example, as 1089 + 430336 = 33^2 + 656^2 .

It is not a de Polignac number, because 431425 - 2¹ = 431423 is a prime.

It is a super-2 number, since 2×431425² = 372255061250, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (431423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8604 + ... + 8653.

2⁴³¹⁴²⁵ is an apocalyptic number.

It is an amenable number.

431425 is a deficient number, since it is larger than the sum of its proper divisors (103573).

431425 is a wasteful number, since it uses less digits than its factorization.

431425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17267 (or 17262 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 431425 is about 656.8295060364. The cubic root of 431425 is about 75.5617085371.

Adding to 431425 its reverse (524134), we get a palindrome (955559).

The spelling of 431425 in words is "four hundred thirty-one thousand, four hundred twenty-five".