447425 has 12 divisors (see below), whose sum is σ = 605616. Its totient is φ = 325200.

The previous prime is 447409. The next prime is 447427. The reversal of 447425 is 524744.

447425 = T₁₀₈ + T₁₀₉ + ... + T₁₅₇.

It is not a de Polignac number, because 447425 - 2⁴ = 447409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447394 and 447403.

It is not an unprimeable number, because it can be changed into a prime (447427) 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, 539 + ... + 1088.

It is an arithmetic number, because the mean of its divisors is an integer number (50468).

2⁴⁴⁷⁴²⁵ is an apocalyptic number.

It is an amenable number.

447425 is a deficient number, since it is larger than the sum of its proper divisors (158191).

447425 is a wasteful number, since it uses less digits than its factorization.

447425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1643 counting only the distinct ones).

The product of its digits is 4480, while the sum is 26.

The square root of 447425 is about 668.8983480320. The cubic root of 447425 is about 76.4844971220.

The spelling of 447425 in words is "four hundred forty-seven thousand, four hundred twenty-five".