431115325 has 12 divisors (see below), whose sum is σ = 566029620. Its totient is φ = 324604160.

The previous prime is 431115313. The next prime is 431115329. The reversal of 431115325 is 523511134.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1340964 + 429774361 = 1158^2 + 20731^2 .

It is not a de Polignac number, because 431115325 - 2¹³ = 431107133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 431115325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431115329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506770 + ... + 507619.

It is an arithmetic number, because the mean of its divisors is an integer number (47169135).

Almost surely, 2^431115325 is an apocalyptic number.

It is an amenable number.

431115325 is a deficient number, since it is larger than the sum of its proper divisors (134914295).

431115325 is a wasteful number, since it uses less digits than its factorization.

431115325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014416 (or 1014411 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 431115325 is about 20763.3168111456. The cubic root of 431115325 is about 755.4362492038.

Adding to 431115325 its reverse (523511134), we get a palindrome (954626459).

The spelling of 431115325 in words is "four hundred thirty-one million, one hundred fifteen thousand, three hundred twenty-five".