30532225 has 6 divisors (see below), whose sum is σ = 37859990. Its totient is φ = 24425760.

The previous prime is 30532219. The next prime is 30532237. The reversal of 30532225 is 52223503.

It can be written as a sum of positive squares in 3 ways, for example, as 5612161 + 24920064 = 2369^2 + 4992^2 .

It is not a de Polignac number, because 30532225 - 2⁷ = 30532097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30532196 and 30532205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610620 + ... + 610669.

Almost surely, 2^30532225 is an apocalyptic number.

It is an amenable number.

30532225 is a deficient number, since it is larger than the sum of its proper divisors (7327765).

30532225 is a wasteful number, since it uses less digits than its factorization.

30532225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221299 (or 1221294 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 30532225 is about 5525.5972527863. The cubic root of 30532225 is about 312.5499866705.

Adding to 30532225 its reverse (52223503), we get a palindrome (82755728).

The spelling of 30532225 in words is "thirty million, five hundred thirty-two thousand, two hundred twenty-five".