2540333 has 4 divisors (see below), whose sum is σ = 2566620. Its totient is φ = 2514048.

The previous prime is 2540323. The next prime is 2540339. The reversal of 2540333 is 3330452.

2540333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1643524 + 896809 = 1282^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540333 - 2⁶ = 2540269 is a prime.

It is a super-3 number, since 3×2540333³ = 49180529980233318111, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12998 + ... + 13191.

It is an arithmetic number, because the mean of its divisors is an integer number (641655).

2^2540333 is an apocalyptic number.

It is an amenable number.

2540333 is a deficient number, since it is larger than the sum of its proper divisors (26287).

2540333 is an equidigital number, since it uses as much as digits as its factorization.

2540333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26286.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 2540333 is about 1593.8422130186. The cubic root of 2540333 is about 136.4468612904.

Adding to 2540333 its reverse (3330452), we get a palindrome (5870785).

The spelling of 2540333 in words is "two million, five hundred forty thousand, three hundred thirty-three".