30353225 has 24 divisors (see below), whose sum is σ = 43443648. Its totient is φ = 20606400.

The previous prime is 30353221. The next prime is 30353287. The reversal of 30353225 is 52235303.

It is not a de Polignac number, because 30353225 - 2² = 30353221 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 30353225.

It is not an unprimeable number, because it can be changed into a prime (30353221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17915 + ... + 19535.

It is an arithmetic number, because the mean of its divisors is an integer number (1810152).

Almost surely, 2^30353225 is an apocalyptic number.

30353225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30353225 is a deficient number, since it is larger than the sum of its proper divisors (13090423).

30353225 is a wasteful number, since it uses less digits than its factorization.

30353225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 30353225 is about 5509.3760989789. The cubic root of 30353225 is about 311.9379978975.

Adding to 30353225 its reverse (52235303), we get a palindrome (82588528).

The spelling of 30353225 in words is "thirty million, three hundred fifty-three thousand, two hundred twenty-five".