30825211 has 2 divisors, whose sum is σ = 30825212. Its totient is φ = 30825210.

The previous prime is 30825187. The next prime is 30825229. The reversal of 30825211 is 11252803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30825211 - 2⁹ = 30824699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30825241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15412605 + 15412606.

It is an arithmetic number, because the mean of its divisors is an integer number (15412606).

Almost surely, 2^30825211 is an apocalyptic number.

30825211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30825211 is an equidigital number, since it uses as much as digits as its factorization.

30825211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 30825211 is about 5552.0456590342. The cubic root of 30825211 is about 313.5465448148.

The spelling of 30825211 in words is "thirty million, eight hundred twenty-five thousand, two hundred eleven".