2540933 has 2 divisors, whose sum is σ = 2540934. Its totient is φ = 2540932.

The previous prime is 2540903. The next prime is 2540957. The reversal of 2540933 is 3390452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2427364 + 113569 = 1558^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540933 - 2⁶ = 2540869 is a prime.

It is a super-4 number, since 4×2540933⁴ (a number of 27 digits) contains 4444 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270466 + 1270467.

It is an arithmetic number, because the mean of its divisors is an integer number (1270467).

2^2540933 is an apocalyptic number.

It is an amenable number.

2540933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540933 is an equidigital number, since it uses as much as digits as its factorization.

2540933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2540933 is about 1594.0304263094. The cubic root of 2540933 is about 136.4576028838.

The spelling of 2540933 in words is "two million, five hundred forty thousand, nine hundred thirty-three".