30549796225 has 27 divisors (see below), whose sum is σ = 41035140603. Its totient is φ = 22551459840.

The previous prime is 30549796219. The next prime is 30549796237. The reversal of 30549796225 is 52269794503.

The square root of 30549796225 is 174785.

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

It can be written as a sum of positive squares in 13 ways, for example, as 27127078209 + 3422718016 = 164703^2 + 58504^2 .

It is not a de Polignac number, because 30549796225 - 2⁷ = 30549796097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11359681 + ... + 11362369.

Almost surely, 2^30549796225 is an apocalyptic number.

30549796225 is the 174785-th square number.

30549796225 is the 87393-rd centered octagonal number.

It is an amenable number.

30549796225 is a deficient number, since it is larger than the sum of its proper divisors (10485344378).

30549796225 is an frugal number, since it uses more digits than its factorization.

30549796225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 30549796225 in words is "thirty billion, five hundred forty-nine million, seven hundred ninety-six thousand, two hundred twenty-five".