445424525 has 24 divisors (see below), whose sum is σ = 679789824. Its totient is φ = 281937600.

The previous prime is 445424503. The next prime is 445424549. The reversal of 445424525 is 525424544.

It is not a de Polignac number, because 445424525 - 2⁸ = 445424269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent 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, 95621 + ... + 100170.

It is an arithmetic number, because the mean of its divisors is an integer number (28324576).

Almost surely, 2^445424525 is an apocalyptic number.

It is an amenable number.

445424525 is a deficient number, since it is larger than the sum of its proper divisors (234365299).

445424525 is a wasteful number, since it uses less digits than its factorization.

445424525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195821 (or 195816 counting only the distinct ones).

The product of its digits is 128000, while the sum is 35.

The square root of 445424525 is about 21105.0829185767. The cubic root of 445424525 is about 763.7033726221.

The spelling of 445424525 in words is "four hundred forty-five million, four hundred twenty-four thousand, five hundred twenty-five".