447625459 has 4 divisors (see below), whose sum is σ = 454306504. Its totient is φ = 440944416.

The previous prime is 447625421. The next prime is 447625483. The reversal of 447625459 is 954526744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 447625459 - 2¹⁷ = 447494387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447622459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340422 + ... + 3340555.

It is an arithmetic number, because the mean of its divisors is an integer number (113576626).

Almost surely, 2^447625459 is an apocalyptic number.

447625459 is a deficient number, since it is larger than the sum of its proper divisors (6681045).

447625459 is an equidigital number, since it uses as much as digits as its factorization.

447625459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681044.

The product of its digits is 1209600, while the sum is 46.

The square root of 447625459 is about 21157.1609390296. The cubic root of 447625459 is about 764.9591781939.

The spelling of 447625459 in words is "four hundred forty-seven million, six hundred twenty-five thousand, four hundred fifty-nine".