33273081 has 6 divisors (see below), whose sum is σ = 48061130. Its totient is φ = 22182048.

The previous prime is 33273073. The next prime is 33273089. The reversal of 33273081 is 18037233.

It is an interprime number because it is at equal distance from previous prime (33273073) and next prime (33273089).

It can be written as a sum of positive squares in only one way, i.e., 33177600 + 95481 = 5760^2 + 309^2 .

It is not a de Polignac number, because 33273081 - 2³ = 33273073 is a prime.

It is a super-2 number, since 2×33273081² = 2214195838465122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33273089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1848496 + ... + 1848513.

Almost surely, 2^33273081 is an apocalyptic number.

It is an amenable number.

33273081 is a deficient number, since it is larger than the sum of its proper divisors (14788049).

33273081 is a wasteful number, since it uses less digits than its factorization.

33273081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697015 (or 3697012 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 33273081 is about 5768.2823266550. The cubic root of 33273081 is about 321.6357679550.

The spelling of 33273081 in words is "thirty-three million, two hundred seventy-three thousand, eighty-one".