2289533 has 4 divisors (see below), whose sum is σ = 2294688. Its totient is φ = 2284380.

The previous prime is 2289503. The next prime is 2289571. The reversal of 2289533 is 3359822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2289533 - 2¹⁰ = 2288509 is a prime.

It is a super-2 number, since 2×2289533² = 10483922716178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2289533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289503) 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, 1841 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (573672).

2^2289533 is an apocalyptic number.

It is an amenable number.

2289533 is a deficient number, since it is larger than the sum of its proper divisors (5155).

2289533 is an equidigital number, since it uses as much as digits as its factorization.

2289533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154.

The product of its digits is 12960, while the sum is 32.

The square root of 2289533 is about 1513.1202860315. The cubic root of 2289533 is about 131.8000684656.

The spelling of 2289533 in words is "two million, two hundred eighty-nine thousand, five hundred thirty-three".