33030979 has 2 divisors, whose sum is σ = 33030980. Its totient is φ = 33030978.

The previous prime is 33030961. The next prime is 33031093. The reversal of 33030979 is 97903033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33030979 - 2⁵ = 33030947 is a prime.

It is not a weakly prime, because it can be changed into another prime (33030919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16515489 + 16515490.

It is an arithmetic number, because the mean of its divisors is an integer number (16515490).

Almost surely, 2^33030979 is an apocalyptic number.

33030979 is a deficient number, since it is larger than the sum of its proper divisors (1).

33030979 is an equidigital number, since it uses as much as digits as its factorization.

33030979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 34.

The square root of 33030979 is about 5747.2583898760. The cubic root of 33030979 is about 320.8537715133.

The spelling of 33030979 in words is "thirty-three million, thirty thousand, nine hundred seventy-nine".