304825 has 12 divisors (see below), whose sum is σ = 385020. Its totient is φ = 239360.

The previous prime is 304813. The next prime is 304831. The reversal of 304825 is 528403.

It can be written as a sum of positive squares in 6 ways, for example, as 20736 + 284089 = 144^2 + 533^2 .

It is a de Polignac number, because none of the positive numbers 2^k-304825 is a prime.

304825 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 304796 and 304805.

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, 2157 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (32085).

2³⁰⁴⁸²⁵ is an apocalyptic number.

It is an amenable number.

304825 is a deficient number, since it is larger than the sum of its proper divisors (80195).

304825 is a wasteful number, since it uses less digits than its factorization.

304825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 304825 is about 552.1095905706. The cubic root of 304825 is about 67.3002784089.

The spelling of 304825 in words is "three hundred four thousand, eight hundred twenty-five".