424323425 has 6 divisors (see below), whose sum is σ = 526161078. Its totient is φ = 339458720.

The previous prime is 424323401. The next prime is 424323461. The reversal of 424323425 is 524323424.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4624 + 424318801 = 68^2 + 20599^2 .

It is a de Polignac number, because none of the positive numbers 2^k-424323425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8486444 + ... + 8486493.

It is an arithmetic number, because the mean of its divisors is an integer number (87693513).

Almost surely, 2^424323425 is an apocalyptic number.

It is an amenable number.

424323425 is a deficient number, since it is larger than the sum of its proper divisors (101837653).

424323425 is a wasteful number, since it uses less digits than its factorization.

424323425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16972947 (or 16972942 counting only the distinct ones).

The product of its digits is 23040, while the sum is 29.

The square root of 424323425 is about 20599.1122381524. The cubic root of 424323425 is about 751.4481206477.

Adding to 424323425 its reverse (524323424), we get a palindrome (948646849).

Subtracting 424323425 from its reverse (524323424), we obtain a palindrome (99999999).

The spelling of 424323425 in words is "four hundred twenty-four million, three hundred twenty-three thousand, four hundred twenty-five".