447257025 has 48 divisors (see below), whose sum is σ = 827328000. Its totient is φ = 236882880.

The previous prime is 447257021. The next prime is 447257033. The reversal of 447257025 is 520752744.

It is a happy number.

It is not a de Polignac number, because 447257025 - 2² = 447257021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447257021) 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 47 ways as a sum of consecutive naturals, for example, 98352 + ... + 102798.

It is an arithmetic number, because the mean of its divisors is an integer number (17236000).

Almost surely, 2^447257025 is an apocalyptic number.

447257025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

447257025 is a deficient number, since it is larger than the sum of its proper divisors (380070975).

447257025 is a wasteful number, since it uses less digits than its factorization.

447257025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615 (or 4604 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 447257025 is about 21148.4520710146. The cubic root of 447257025 is about 764.7492449973.

The spelling of 447257025 in words is "four hundred forty-seven million, two hundred fifty-seven thousand, twenty-five".