2289529 has 4 divisors (see below), whose sum is σ = 2497680. Its totient is φ = 2081380.

The previous prime is 2289503. The next prime is 2289571. The reversal of 2289529 is 9259822.

It is a happy number.

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 2289529 - 2⁷ = 2289401 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 2¹¹ + 8⁷ + 9² + 5³ + 2¹⁷ + 9⁵ .

It is a Duffinian number.

2289529 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2289829) 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, 104059 + ... + 104080.

It is an arithmetic number, because the mean of its divisors is an integer number (624420).

2^2289529 is an apocalyptic number.

It is an amenable number.

2289529 is a deficient number, since it is larger than the sum of its proper divisors (208151).

2289529 is a wasteful number, since it uses less digits than its factorization.

2289529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208150.

The product of its digits is 25920, while the sum is 37.

The square root of 2289529 is about 1513.1189642589. The cubic root of 2289529 is about 131.7999917104.

The spelling of 2289529 in words is "two million, two hundred eighty-nine thousand, five hundred twenty-nine".