2540133 has 8 divisors (see below), whose sum is σ = 3763200. Its totient is φ = 1693404.

The previous prime is 2540113. The next prime is 2540141. The reversal of 2540133 is 3310452.

It is not a de Polignac number, because 2540133 - 2¹⁴ = 2523749 is a prime.

It is a Curzon number.

2540133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540113) 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, 47013 + ... + 47066.

It is an arithmetic number, because the mean of its divisors is an integer number (470400).

2^2540133 is an apocalyptic number.

It is an amenable number.

2540133 is a deficient number, since it is larger than the sum of its proper divisors (1223067).

2540133 is an equidigital number, since it uses as much as digits as its factorization.

2540133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94088 (or 94082 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2540133 is about 1593.7794703158. The cubic root of 2540133 is about 136.4432803835.

Adding to 2540133 its reverse (3310452), we get a palindrome (5850585).

It can be divided in two parts, 254013 and 3, that added together give a square (254016 = 504²).

The spelling of 2540133 in words is "two million, five hundred forty thousand, one hundred thirty-three".