425322450 has 108 divisors (see below), whose sum is σ = 1329331770. Its totient is φ = 97211520.

The previous prime is 425322431. The next prime is 425322451. The reversal of 425322450 is 54223524.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 350101521 + 75220929 = 18711^2 + 8673^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425322451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 12406 + ... + 31694.

Almost surely, 2^425322450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425322450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664665885).

425322450 is an abundant number, since it is smaller than the sum of its proper divisors (904009320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425322450 is a wasteful number, since it uses less digits than its factorization.

425322450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19321 (or 19306 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 425322450 is about 20623.3472065036. The cubic root of 425322450 is about 752.0373936909.

Adding to 425322450 its reverse (54223524), we get a palindrome (479545974).

The spelling of 425322450 in words is "four hundred twenty-five million, three hundred twenty-two thousand, four hundred fifty".