2801533 has 8 divisors (see below), whose sum is σ = 3212352. Its totient is φ = 2393376.

The previous prime is 2801509. The next prime is 2801543. The reversal of 2801533 is 3351082.

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

It is a cyclic number.

It is not a de Polignac number, because 2801533 - 2¹³ = 2793341 is a prime.

It is a Duffinian number.

2801533 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801543) 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, 2841 + ... + 3697.

It is an arithmetic number, because the mean of its divisors is an integer number (401544).

2^2801533 is an apocalyptic number.

It is an amenable number.

2801533 is a deficient number, since it is larger than the sum of its proper divisors (410819).

2801533 is an equidigital number, since it uses as much as digits as its factorization.

2801533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2801533 is about 1673.7780617513. The cubic root of 2801533 is about 140.9716925887.

The spelling of 2801533 in words is "two million, eight hundred one thousand, five hundred thirty-three".