304406425 has 12 divisors (see below), whose sum is σ = 381204396. Its totient is φ = 241112000.

The previous prime is 304406387. The next prime is 304406483. The reversal of 304406425 is 524604403.

It can be written as a sum of positive squares in 6 ways, for example, as 60047001 + 244359424 = 7749^2 + 15632^2 .

It is not a de Polignac number, because 304406425 - 2¹³ = 304398233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304406393 and 304406402.

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, 57754 + ... + 62803.

It is an arithmetic number, because the mean of its divisors is an integer number (31767033).

Almost surely, 2^304406425 is an apocalyptic number.

It is an amenable number.

304406425 is a deficient number, since it is larger than the sum of its proper divisors (76797971).

304406425 is a wasteful number, since it uses less digits than its factorization.

304406425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120668 (or 120663 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 304406425 is about 17447.2469174939. The cubic root of 304406425 is about 672.6945950410.

The spelling of 304406425 in words is "three hundred four million, four hundred six thousand, four hundred twenty-five".