423330625 has 15 divisors (see below), whose sum is σ = 529637493. Its totient is φ = 338253000.

The previous prime is 423330599. The next prime is 423330629. The reversal of 423330625 is 526033324.

The square root of 423330625 is 20575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 33189121 + 390141504 = 5761^2 + 19752^2 .

It is a de Polignac number, because none of the positive numbers 2^k-423330625 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423330593 and 423330602.

It is not an unprimeable number, because it can be changed into a prime (423330629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 513964 + ... + 514786.

Almost surely, 2^423330625 is an apocalyptic number.

423330625 is the 20575-th square number.

423330625 is the 10288-th centered octagonal number.

It is an amenable number.

423330625 is a deficient number, since it is larger than the sum of its proper divisors (106306868).

423330625 is an frugal number, since it uses more digits than its factorization.

423330625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The cubic root of 423330625 is about 750.8616024020.

Adding to 423330625 its reverse (526033324), we get a palindrome (949363949).

The spelling of 423330625 in words is "four hundred twenty-three million, three hundred thirty thousand, six hundred twenty-five".