30003436225 has 63 divisors (see below), whose sum is σ = 43838925001. Its totient is φ = 20370084000.

The previous prime is 30003436223. The next prime is 30003436259. The reversal of 30003436225 is 52263430003.

The square root of 30003436225 is 173215.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5539973761 + 24463462464 = 74431^2 + 156408^2 .

It is not a de Polignac number, because 30003436225 - 2¹ = 30003436223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30003436193 and 30003436202.

It is not an unprimeable number, because it can be changed into a prime (30003436223) by changing a digit.

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 62 ways as a sum of consecutive naturals, for example, 297063675 + ... + 297063775.

Almost surely, 2^30003436225 is an apocalyptic number.

30003436225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30003436225 is the 173215-th square number.

30003436225 is the 86608-th centered octagonal number.

It is an amenable number.

30003436225 is a deficient number, since it is larger than the sum of its proper divisors (13835488776).

30003436225 is an frugal number, since it uses more digits than its factorization.

30003436225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 30003436225 its reverse (52263430003), we get a palindrome (82266866228).

The spelling of 30003436225 in words is "thirty billion, three million, four hundred thirty-six thousand, two hundred twenty-five".