2533541 has 4 divisors (see below), whose sum is σ = 2552172. Its totient is φ = 2514912.

The previous prime is 2533507. The next prime is 2533549. The reversal of 2533541 is 1453352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1256641 + 1276900 = 1121^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533541 - 2¹⁴ = 2517157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533549) 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, 9110 + ... + 9383.

It is an arithmetic number, because the mean of its divisors is an integer number (638043).

2^2533541 is an apocalyptic number.

It is an amenable number.

2533541 is a deficient number, since it is larger than the sum of its proper divisors (18631).

2533541 is a wasteful number, since it uses less digits than its factorization.

2533541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18630.

The product of its digits is 1800, while the sum is 23.

The square root of 2533541 is about 1591.7100866678. The cubic root of 2533541 is about 136.3251483433.

Adding to 2533541 its reverse (1453352), we get a palindrome (3986893).

The spelling of 2533541 in words is "two million, five hundred thirty-three thousand, five hundred forty-one".