30255250 has 16 divisors (see below), whose sum is σ = 56638296. Its totient is φ = 12102000.

The previous prime is 30255229. The next prime is 30255299. The reversal of 30255250 is 5255203.

It can be written as a sum of positive squares in 4 ways, for example, as 1750329 + 28504921 = 1323^2 + 5339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60261 + ... + 60760.

Almost surely, 2^30255250 is an apocalyptic number.

30255250 is a deficient number, since it is larger than the sum of its proper divisors (26383046).

30255250 is a wasteful number, since it uses less digits than its factorization.

30255250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121038 (or 121028 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 30255250 is about 5500.4772520210. The cubic root of 30255250 is about 311.6020086955.

The spelling of 30255250 in words is "thirty million, two hundred fifty-five thousand, two hundred fifty".