30825833 has 2 divisors, whose sum is σ = 30825834. Its totient is φ = 30825832.

The previous prime is 30825793. The next prime is 30825863. The reversal of 30825833 is 33852803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25928464 + 4897369 = 5092^2 + 2213^2 .

It is a cyclic number.

It is not a de Polignac number, because 30825833 - 2⁸ = 30825577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30825833.

It is not a weakly prime, because it can be changed into another prime (30825863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15412916 + 15412917.

It is an arithmetic number, because the mean of its divisors is an integer number (15412917).

Almost surely, 2^30825833 is an apocalyptic number.

It is an amenable number.

30825833 is a deficient number, since it is larger than the sum of its proper divisors (1).

30825833 is an equidigital number, since it uses as much as digits as its factorization.

30825833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 30825833 is about 5552.1016741411. The cubic root of 30825833 is about 313.5486537449.

The spelling of 30825833 in words is "thirty million, eight hundred twenty-five thousand, eight hundred thirty-three".