449631825 has 12 divisors (see below), whose sum is σ = 743391408. Its totient is φ = 239803600.

The previous prime is 449631823. The next prime is 449631883. The reversal of 449631825 is 528136944.

It is not a de Polignac number, because 449631825 - 2¹ = 449631823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449631823) 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, 2997471 + ... + 2997620.

It is an arithmetic number, because the mean of its divisors is an integer number (61949284).

Almost surely, 2^449631825 is an apocalyptic number.

It is an amenable number.

449631825 is a deficient number, since it is larger than the sum of its proper divisors (293759583).

449631825 is a wasteful number, since it uses less digits than its factorization.

449631825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995104 (or 5995099 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 449631825 is about 21204.5236918918. The cubic root of 449631825 is about 766.1003857602.

The spelling of 449631825 in words is "four hundred forty-nine million, six hundred thirty-one thousand, eight hundred twenty-five".