2540965 has 16 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 1650240.

The previous prime is 2540963. The next prime is 2540969. The reversal of 2540965 is 5690452.

2540965 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 2540965 - 2¹ = 2540963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540963) 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 15 ways as a sum of consecutive naturals, for example, 1246 + ... + 2575.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

2^2540965 is an apocalyptic number.

It is an amenable number.

2540965 is a deficient number, since it is larger than the sum of its proper divisors (1128155).

2540965 is a wasteful number, since it uses less digits than its factorization.

2540965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2540965 is about 1594.0404637273. The cubic root of 2540965 is about 136.4581757213.

The spelling of 2540965 in words is "two million, five hundred forty thousand, nine hundred sixty-five".