2533523 has 4 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 2513448.

The previous prime is 2533507. The next prime is 2533549. The reversal of 2533523 is 3253352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2533523 - 2⁴ = 2533507 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 5 + 3⁶ + 3¹² + 5⁸ + 2¹⁴ + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2563523) 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, 9848 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (638400).

2^2533523 is an apocalyptic number.

2533523 is a deficient number, since it is larger than the sum of its proper divisors (20077).

2533523 is a wasteful number, since it uses less digits than its factorization.

2533523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20076.

The product of its digits is 2700, while the sum is 23.

The square root of 2533523 is about 1591.7044323617. The cubic root of 2533523 is about 136.3248254937.

Adding to 2533523 its reverse (3253352), we get a palindrome (5786875).

The spelling of 2533523 in words is "two million, five hundred thirty-three thousand, five hundred twenty-three".