30200249 has 2 divisors, whose sum is σ = 30200250. Its totient is φ = 30200248.

The previous prime is 30200239. The next prime is 30200309. The reversal of 30200249 is 94200203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25684624 + 4515625 = 5068^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 30200249 - 2²⁰ = 29151673 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30200249.

It is not a weakly prime, because it can be changed into another prime (30200239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100124 + 15100125.

It is an arithmetic number, because the mean of its divisors is an integer number (15100125).

Almost surely, 2^30200249 is an apocalyptic number.

It is an amenable number.

30200249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30200249 is an equidigital number, since it uses as much as digits as its factorization.

30200249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30200249 is about 5495.4753206615. The cubic root of 30200249 is about 311.4130737956.

The spelling of 30200249 in words is "thirty million, two hundred thousand, two hundred forty-nine".