445662425 has 24 divisors (see below), whose sum is σ = 606383064. Its totient is φ = 322882560.

The previous prime is 445662419. The next prime is 445662433. The reversal of 445662425 is 524266544.

It can be written as a sum of positive squares in 12 ways, for example, as 152670736 + 292991689 = 12356^2 + 17117^2 .

It is not a de Polignac number, because 445662425 - 2⁴ = 445662409 is a prime.

It is a super-2 number, since 2×445662425² = 397229994113761250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4289 + ... + 30161.

It is an arithmetic number, because the mean of its divisors is an integer number (25265961).

Almost surely, 2^445662425 is an apocalyptic number.

It is an amenable number.

445662425 is a deficient number, since it is larger than the sum of its proper divisors (160720639).

445662425 is a wasteful number, since it uses less digits than its factorization.

445662425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25949 (or 25944 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 445662425 is about 21110.7182492685. The cubic root of 445662425 is about 763.8393123724.

The spelling of 445662425 in words is "four hundred forty-five million, six hundred sixty-two thousand, four hundred twenty-five".