304135025 has 6 divisors (see below), whose sum is σ = 377127462. Its totient is φ = 243308000.

The previous prime is 304135021. The next prime is 304135037. The reversal of 304135025 is 520531403.

It can be written as a sum of positive squares in 3 ways, for example, as 16900321 + 287234704 = 4111^2 + 16948^2 .

It is not a de Polignac number, because 304135025 - 2² = 304135021 is a prime.

It is a super-2 number, since 2×304135025² = 184996226863501250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304135021) 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 5 ways as a sum of consecutive naturals, for example, 6082676 + ... + 6082725.

It is an arithmetic number, because the mean of its divisors is an integer number (62854577).

Almost surely, 2^304135025 is an apocalyptic number.

It is an amenable number.

304135025 is a deficient number, since it is larger than the sum of its proper divisors (72992437).

304135025 is a wasteful number, since it uses less digits than its factorization.

304135025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12165411 (or 12165406 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 304135025 is about 17439.4674517314. The cubic root of 304135025 is about 672.4946172231.

Adding to 304135025 its reverse (520531403), we get a palindrome (824666428).

The spelling of 304135025 in words is "three hundred four million, one hundred thirty-five thousand, twenty-five".