2540071 has 2 divisors, whose sum is σ = 2540072. Its totient is φ = 2540070.

The previous prime is 2540033. The next prime is 2540093. The reversal of 2540071 is 1700452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2540071 - 2¹⁵ = 2507303 is a prime.

It is a super-3 number, since 3×2540071³ = 49165314687638333733, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270035 + 1270036.

It is an arithmetic number, because the mean of its divisors is an integer number (1270036).

2^2540071 is an apocalyptic number.

2540071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540071 is an equidigital number, since it uses as much as digits as its factorization.

2540071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2540071 is about 1593.7600195763. The cubic root of 2540071 is about 136.4421702641.

The spelling of 2540071 in words is "two million, five hundred forty thousand, seventy-one".