445225525 has 12 divisors (see below), whose sum is σ = 552420000. Its totient is φ = 355960880.

The previous prime is 445225523. The next prime is 445225531. The reversal of 445225525 is 525522544.

It is not a de Polignac number, because 445225525 - 2¹ = 445225523 is a prime.

It is a super-2 number, since 2×445225525² = 396451536223051250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445225523) 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, 44976 + ... + 53974.

It is an arithmetic number, because the mean of its divisors is an integer number (46035000).

Almost surely, 2^445225525 is an apocalyptic number.

It is an amenable number.

445225525 is a deficient number, since it is larger than the sum of its proper divisors (107194475).

445225525 is a wasteful number, since it uses less digits than its factorization.

445225525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10988 (or 10983 counting only the distinct ones).

The product of its digits is 80000, while the sum is 34.

The square root of 445225525 is about 21100.3678877881. The cubic root of 445225525 is about 763.5896237519.

The spelling of 445225525 in words is "four hundred forty-five million, two hundred twenty-five thousand, five hundred twenty-five".