2259523 has 8 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 1903560.

The previous prime is 2259503. The next prime is 2259527. The reversal of 2259523 is 3259522.

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 2259523 - 2¹³ = 2251331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2259491 and 2259500.

It is not an unprimeable number, because it can be changed into a prime (2259527) 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, 2323 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

2^2259523 is an apocalyptic number.

2259523 is a deficient number, since it is larger than the sum of its proper divisors (367037).

2259523 is an equidigital number, since it uses as much as digits as its factorization.

2259523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537.

The product of its digits is 5400, while the sum is 28.

The square root of 2259523 is about 1503.1709816252. The cubic root of 2259523 is about 131.2216785452.

Subtracting 2259523 from its reverse (3259522), we obtain a palindrome (999999).

The spelling of 2259523 in words is "two million, two hundred fifty-nine thousand, five hundred twenty-three".