33124985 has 8 divisors (see below), whose sum is σ = 39780936. Its totient is φ = 26479360.

The previous prime is 33124981. The next prime is 33125009. The reversal of 33124985 is 58942133.

It can be written as a sum of positive squares in 4 ways, for example, as 8404201 + 24720784 = 2899^2 + 4972^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33124985 - 2² = 33124981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33124981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10715 + ... + 13455.

It is an arithmetic number, because the mean of its divisors is an integer number (4972617).

Almost surely, 2^33124985 is an apocalyptic number.

It is an amenable number.

33124985 is a deficient number, since it is larger than the sum of its proper divisors (6655951).

33124985 is a wasteful number, since it uses less digits than its factorization.

33124985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163.

The product of its digits is 25920, while the sum is 35.

The square root of 33124985 is about 5755.4309134938. The cubic root of 33124985 is about 321.1578659514.

The spelling of 33124985 in words is "thirty-three million, one hundred twenty-four thousand, nine hundred eighty-five".