445225001 has 8 divisors (see below), whose sum is σ = 481342344. Its totient is φ = 409374720.

The previous prime is 445224977. The next prime is 445225003. The reversal of 445225001 is 100522544.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 274896400 + 170328601 = 16580^2 + 13051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445225001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445225003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63290 + ... + 69971.

It is an arithmetic number, because the mean of its divisors is an integer number (60167793).

Almost surely, 2^445225001 is an apocalyptic number.

It is an amenable number.

445225001 is a deficient number, since it is larger than the sum of its proper divisors (36117343).

445225001 is a wasteful number, since it uses less digits than its factorization.

445225001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133531.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 445225001 is about 21100.3554709393. The cubic root of 445225001 is about 763.5893241875.

Adding to 445225001 its reverse (100522544), we get a palindrome (545747545).

The spelling of 445225001 in words is "four hundred forty-five million, two hundred twenty-five thousand, one".