445625 has 20 divisors (see below), whose sum is σ = 599808. Its totient is φ = 330000.

The previous prime is 445619. The next prime is 445631. The reversal of 445625 is 526544.

It is an interprime number because it is at equal distance from previous prime (445619) and next prime (445631).

It is not a de Polignac number, because 445625 - 2¹⁴ = 429241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 445594 and 445603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14360 + ... + 14390.

2⁴⁴⁵⁶²⁵ is an apocalyptic number.

It is an amenable number.

445625 is a deficient number, since it is larger than the sum of its proper divisors (154183).

445625 is an equidigital number, since it uses as much as digits as its factorization.

445625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 59 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 445625 is about 667.5514961409. The cubic root of 445625 is about 76.3817930354.

The spelling of 445625 in words is "four hundred forty-five thousand, six hundred twenty-five".