33125947 has 2 divisors, whose sum is σ = 33125948. Its totient is φ = 33125946.

The previous prime is 33125923. The next prime is 33125951. The reversal of 33125947 is 74952133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33125947 - 2¹⁹ = 32601659 is a prime.

It is not a weakly prime, because it can be changed into another prime (33125977) 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, 16562973 + 16562974.

It is an arithmetic number, because the mean of its divisors is an integer number (16562974).

Almost surely, 2^33125947 is an apocalyptic number.

33125947 is a deficient number, since it is larger than the sum of its proper divisors (1).

33125947 is an equidigital number, since it uses as much as digits as its factorization.

33125947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 33125947 is about 5755.5144861255. The cubic root of 33125947 is about 321.1609748925.

The spelling of 33125947 in words is "thirty-three million, one hundred twenty-five thousand, nine hundred forty-seven".