33425957 has 2 divisors, whose sum is σ = 33425958. Its totient is φ = 33425956.

The previous prime is 33425941. The next prime is 33425971. The reversal of 33425957 is 75952433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32649796 + 776161 = 5714^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 33425957 - 2⁴ = 33425941 is a prime.

It is a super-2 number, since 2×33425957² = 2234589202731698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33425957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33425857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16712978 + 16712979.

It is an arithmetic number, because the mean of its divisors is an integer number (16712979).

Almost surely, 2^33425957 is an apocalyptic number.

It is an amenable number.

33425957 is a deficient number, since it is larger than the sum of its proper divisors (1).

33425957 is an equidigital number, since it uses as much as digits as its factorization.

33425957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The square root of 33425957 is about 5781.5185721400. The cubic root of 33425957 is about 322.1276097480.

The spelling of 33425957 in words is "thirty-three million, four hundred twenty-five thousand, nine hundred fifty-seven".