30573225 has 36 divisors (see below), whose sum is σ = 57988476. Its totient is φ = 15344640.

The previous prime is 30573199. The next prime is 30573227. The reversal of 30573225 is 52237503.

It can be written as a sum of positive squares in 6 ways, for example, as 1671849 + 28901376 = 1293^2 + 5376^2 .

It is not a de Polignac number, because 30573225 - 2¹⁸ = 30311081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30573227) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 172 + ... + 7821.

It is an arithmetic number, because the mean of its divisors is an integer number (1610791).

Almost surely, 2^30573225 is an apocalyptic number.

It is an amenable number.

30573225 is a deficient number, since it is larger than the sum of its proper divisors (27415251).

30573225 is a wasteful number, since it uses less digits than its factorization.

30573225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 30573225 is about 5529.3060143204. The cubic root of 30573225 is about 312.6898260015.

The spelling of 30573225 in words is "thirty million, five hundred seventy-three thousand, two hundred twenty-five".