450305225 has 48 divisors (see below), whose sum is σ = 619246080. Its totient is φ = 323481600.

The previous prime is 450305221. The next prime is 450305227. The reversal of 450305225 is 522503054.

It is not a de Polignac number, because 450305225 - 2² = 450305221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450305194 and 450305203.

It is not an unprimeable number, because it can be changed into a prime (450305221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 780137 + ... + 780713.

It is an arithmetic number, because the mean of its divisors is an integer number (12900960).

Almost surely, 2^450305225 is an apocalyptic number.

It is an amenable number.

450305225 is a deficient number, since it is larger than the sum of its proper divisors (168940855).

450305225 is a wasteful number, since it uses less digits than its factorization.

450305225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 450305225 is about 21220.3964383326. The cubic root of 450305225 is about 766.4826501225.

Adding to 450305225 its reverse (522503054), we get a palindrome (972808279).

The spelling of 450305225 in words is "four hundred fifty million, three hundred five thousand, two hundred twenty-five".