445251025 has 24 divisors (see below), whose sum is σ = 567642240. Its totient is φ = 346261440.

The previous prime is 445251019. The next prime is 445251041. The reversal of 445251025 is 520152544.

It is not a de Polignac number, because 445251025 - 2⁹ = 445250513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445250984 and 445251002.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 256059 + ... + 257791.

It is an arithmetic number, because the mean of its divisors is an integer number (23651760).

Almost surely, 2^445251025 is an apocalyptic number.

It is an amenable number.

445251025 is a deficient number, since it is larger than the sum of its proper divisors (122391215).

445251025 is a wasteful number, since it uses less digits than its factorization.

445251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 445251025 is about 21100.9721340037. The cubic root of 445251025 is about 763.6042015052.

The spelling of 445251025 in words is "four hundred forty-five million, two hundred fifty-one thousand, twenty-five".