33012057 has 16 divisors (see below), whose sum is σ = 48299328. Its totient is φ = 19930560.

The previous prime is 33012053. The next prime is 33012097. The reversal of 33012057 is 75021033.

It is a happy number.

It is not a de Polignac number, because 33012057 - 2² = 33012053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33012053) 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 in 15 ways as a sum of consecutive naturals, for example, 5919 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (3018708).

Almost surely, 2^33012057 is an apocalyptic number.

It is an amenable number.

33012057 is a deficient number, since it is larger than the sum of its proper divisors (15287271).

33012057 is a wasteful number, since it uses less digits than its factorization.

33012057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16040.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 33012057 is about 5745.6119778488. The cubic root of 33012057 is about 320.7924921233.

The spelling of 33012057 in words is "thirty-three million, twelve thousand, fifty-seven".