2540755 has 16 divisors (see below), whose sum is σ = 3510720. Its totient is φ = 1729152.

The previous prime is 2540749. The next prime is 2540761. The reversal of 2540755 is 5570452.

2540755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2540749) and next prime (2540761).

It is a cyclic number.

It is not a de Polignac number, because 2540755 - 2⁵ = 2540723 is a prime.

It is an unprimeable number.

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, 7857 + ... + 8173.

It is an arithmetic number, because the mean of its divisors is an integer number (219420).

2^2540755 is an apocalyptic number.

2540755 is a deficient number, since it is larger than the sum of its proper divisors (969965).

2540755 is a wasteful number, since it uses less digits than its factorization.

2540755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 2540755 is about 1593.9745920183. The cubic root of 2540755 is about 136.4544163875.

The spelling of 2540755 in words is "two million, five hundred forty thousand, seven hundred fifty-five".