2540033 has 2 divisors, whose sum is σ = 2540034. Its totient is φ = 2540032.

The previous prime is 2540011. The next prime is 2540071. The reversal of 2540033 is 3300452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 446224 = 1447^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540033 - 2⁸ = 2539777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2539993 and 2540020.

It is not a weakly prime, because it can be changed into another prime (2540093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270016 + 1270017.

It is an arithmetic number, because the mean of its divisors is an integer number (1270017).

2^2540033 is an apocalyptic number.

It is an amenable number.

2540033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540033 is an equidigital number, since it uses as much as digits as its factorization.

2540033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 2540033 is about 1593.7480980381. The cubic root of 2540033 is about 136.4414898595.

Adding to 2540033 its reverse (3300452), we get a palindrome (5840485).

The spelling of 2540033 in words is "two million, five hundred forty thousand, thirty-three".