431215325 has 12 divisors (see below), whose sum is σ = 535263360. Its totient is φ = 344613360.

The previous prime is 431215313. The next prime is 431215331. The reversal of 431215325 is 523512134.

It is a happy number.

It is not a de Polignac number, because 431215325 - 2²⁶ = 364106461 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 431215294 and 431215303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17012 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (44605280).

Almost surely, 2^431215325 is an apocalyptic number.

It is an amenable number.

431215325 is a deficient number, since it is larger than the sum of its proper divisors (104048035).

431215325 is a wasteful number, since it uses less digits than its factorization.

431215325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17956 (or 17951 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 431215325 is about 20765.7247646211. The cubic root of 431215325 is about 755.4946541366.

Adding to 431215325 its reverse (523512134), we get a palindrome (954727459).

The spelling of 431215325 in words is "four hundred thirty-one million, two hundred fifteen thousand, three hundred twenty-five".