2540259 has 12 divisors (see below), whose sum is σ = 3885336. Its totient is φ = 1593792.

The previous prime is 2540249. The next prime is 2540261. The reversal of 2540259 is 9520452.

2540259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2540259 - 2¹³ = 2532067 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

2540259 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2540249) 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 11 ways as a sum of consecutive naturals, for example, 8149 + ... + 8454.

It is an arithmetic number, because the mean of its divisors is an integer number (323778).

2^2540259 is an apocalyptic number.

2540259 is a deficient number, since it is larger than the sum of its proper divisors (1345077).

2540259 is a wasteful number, since it uses less digits than its factorization.

2540259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16626 (or 16623 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2540259 is about 1593.8189985064. The cubic root of 2540259 is about 136.4455363768.

The spelling of 2540259 in words is "two million, five hundred forty thousand, two hundred fifty-nine".