304806729451225 has 9 divisors (see below), whose sum is σ = 377960452763583. Its totient is φ = 243845313726120.

The previous prime is 304806729451223. The next prime is 304806729451297. The reversal of 304806729451225 is 522154927608403.

The square root of 304806729451225 is 17458715.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 109730422602441 + 195076306848784 = 10475229^2 + 13966972^2 .

It is not a de Polignac number, because 304806729451225 - 2¹ = 304806729451223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304806729451225.

It is not an unprimeable number, because it can be changed into a prime (304806729451223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85547704 + ... + 89039446.

It is a 1-persistent number, because it is pandigital, but 2⋅304806729451225 = 609613458902450 is not.

Almost surely, 2^{304806729451225} is an apocalyptic number.

304806729451225 is the 17458715-th square number.

304806729451225 is the 8729358-th centered octagonal number.

It is an amenable number.

304806729451225 is a deficient number, since it is larger than the sum of its proper divisors (73153723312358).

304806729451225 is an frugal number, since it uses more digits than its factorization.

304806729451225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983496 (or 3491748 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 304806729451225 in words is "three hundred four trillion, eight hundred six billion, seven hundred twenty-nine million, four hundred fifty-one thousand, two hundred twenty-five".