450122425 has 6 divisors (see below), whose sum is σ = 558151838. Its totient is φ = 360097920.

The previous prime is 450122423. The next prime is 450122437. The reversal of 450122425 is 524221054.

It can be written as a sum of positive squares in 3 ways, for example, as 16941456 + 433180969 = 4116^2 + 20813^2 .

It is not a de Polignac number, because 450122425 - 2¹ = 450122423 is a prime.

It is a super-2 number, since 2×450122425² = 405220394975761250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 18004897 = 450122425 / (4 + 5 + 0 + 1 + 2 + 2 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450122425.

It is not an unprimeable number, because it can be changed into a prime (450122423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9002424 + ... + 9002473.

Almost surely, 2^450122425 is an apocalyptic number.

It is an amenable number.

450122425 is a deficient number, since it is larger than the sum of its proper divisors (108029413).

450122425 is a wasteful number, since it uses less digits than its factorization.

450122425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18004907 (or 18004902 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 450122425 is about 21216.0888242862. The cubic root of 450122425 is about 766.3789190053.

Adding to 450122425 its reverse (524221054), we get a palindrome (974343479).

The spelling of 450122425 in words is "four hundred fifty million, one hundred twenty-two thousand, four hundred twenty-five".