304430425 has 12 divisors (see below), whose sum is σ = 406532140. Its totient is φ = 224809920.

The previous prime is 304430417. The next prime is 304430449. The reversal of 304430425 is 524034403.

It can be written as a sum of positive squares in 6 ways, for example, as 73633561 + 230796864 = 8581^2 + 15192^2 .

It is not a de Polignac number, because 304430425 - 2³ = 304430417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 304430425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468030 + ... + 468679.

Almost surely, 2^304430425 is an apocalyptic number.

It is an amenable number.

304430425 is a deficient number, since it is larger than the sum of its proper divisors (102101715).

304430425 is a wasteful number, since it uses less digits than its factorization.

304430425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936732 (or 936727 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 304430425 is about 17447.9346915330. The cubic root of 304430425 is about 672.7122734304.

Adding to 304430425 its reverse (524034403), we get a palindrome (828464828).

The spelling of 304430425 in words is "three hundred four million, four hundred thirty thousand, four hundred twenty-five".