30254225 has 6 divisors (see below), whose sum is σ = 37515270. Its totient is φ = 24203360.

The previous prime is 30254219. The next prime is 30254227. The reversal of 30254225 is 52245203.

It can be written as a sum of positive squares in 3 ways, for example, as 10549504 + 19704721 = 3248^2 + 4439^2 .

It is not a de Polignac number, because 30254225 - 2²² = 26059921 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30254225.

It is not an unprimeable number, because it can be changed into a prime (30254227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605060 + ... + 605109.

It is an arithmetic number, because the mean of its divisors is an integer number (6252545).

Almost surely, 2^30254225 is an apocalyptic number.

It is an amenable number.

30254225 is a deficient number, since it is larger than the sum of its proper divisors (7261045).

30254225 is a wasteful number, since it uses less digits than its factorization.

30254225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210179 (or 1210174 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 30254225 is about 5500.3840774986. The cubic root of 30254225 is about 311.5984897948.

Adding to 30254225 its reverse (52245203), we get a palindrome (82499428).

It can be divided in two parts, 3025 and 4225, that multiplied together give a square (12780625 = 3575²).

The spelling of 30254225 in words is "thirty million, two hundred fifty-four thousand, two hundred twenty-five".