449431225 has 24 divisors (see below), whose sum is σ = 596281280. Its totient is φ = 335016000.

The previous prime is 449431223. The next prime is 449431253. The reversal of 449431225 is 522134944.

It is not a de Polignac number, because 449431225 - 2¹ = 449431223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449431223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21220 + ... + 36730.

Almost surely, 2^449431225 is an apocalyptic number.

It is an amenable number.

449431225 is a deficient number, since it is larger than the sum of its proper divisors (146850055).

449431225 is a wasteful number, since it uses less digits than its factorization.

449431225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601 (or 15596 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 449431225 is about 21199.7930414426. The cubic root of 449431225 is about 765.9864387567.

The spelling of 449431225 in words is "four hundred forty-nine million, four hundred thirty-one thousand, two hundred twenty-five".