431012225 has 24 divisors (see below), whose sum is σ = 617127168. Its totient is φ = 292492800.

The previous prime is 431012209. The next prime is 431012227. The reversal of 431012225 is 522210134.

It is not a de Polignac number, because 431012225 - 2⁴ = 431012209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431012197 and 431012206.

It is not an unprimeable number, because it can be changed into a prime (431012227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4280 + ... + 29670.

It is an arithmetic number, because the mean of its divisors is an integer number (25713632).

Almost surely, 2^431012225 is an apocalyptic number.

It is an amenable number.

431012225 is a deficient number, since it is larger than the sum of its proper divisors (186114943).

431012225 is a wasteful number, since it uses less digits than its factorization.

431012225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25505 (or 25500 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 431012225 is about 20760.8339187037. The cubic root of 431012225 is about 755.3760242614.

Adding to 431012225 its reverse (522210134), we get a palindrome (953222359).

The spelling of 431012225 in words is "four hundred thirty-one million, twelve thousand, two hundred twenty-five".