33010001 has 4 divisors (see below), whose sum is σ = 33036900. Its totient is φ = 32983104.

The previous prime is 33009997. The next prime is 33010007. The reversal of 33010001 is 10001033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31091776 + 1918225 = 5576^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 33010001 - 2² = 33009997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33010007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11516 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (8259225).

Almost surely, 2^33010001 is an apocalyptic number.

It is an amenable number.

33010001 is a deficient number, since it is larger than the sum of its proper divisors (26899).

33010001 is a wasteful number, since it uses less digits than its factorization.

33010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26898.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 33010001 is about 5745.4330559149. The cubic root of 33010001 is about 320.7858323034.

Adding to 33010001 its reverse (10001033), we get a palindrome (43011034).

The spelling of 33010001 in words is "thirty-three million, ten thousand, one".