33425961 has 16 divisors (see below), whose sum is σ = 47309184. Its totient is φ = 20920064.

The previous prime is 33425957. The next prime is 33425971. The reversal of 33425961 is 16952433.

It is not a de Polignac number, because 33425961 - 2² = 33425957 is a prime.

It is a super-2 number, since 2×33425961² = 2234589737547042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (33425941) 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 in 15 ways as a sum of consecutive naturals, for example, 32491 + ... + 33503.

It is an arithmetic number, because the mean of its divisors is an integer number (2956824).

Almost surely, 2^33425961 is an apocalyptic number.

It is an amenable number.

33425961 is a deficient number, since it is larger than the sum of its proper divisors (13883223).

33425961 is a wasteful number, since it uses less digits than its factorization.

33425961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680.

The product of its digits is 19440, while the sum is 33.

The square root of 33425961 is about 5781.5189180699. The cubic root of 33425961 is about 322.1276225974.

The spelling of 33425961 in words is "thirty-three million, four hundred twenty-five thousand, nine hundred sixty-one".