2540715 has 16 divisors (see below), whose sum is σ = 4105728. Its totient is φ = 1341536.

The previous prime is 2540693. The next prime is 2540723. The reversal of 2540715 is 5170452.

2540715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2540715 - 2⁹ = 2540203 is a prime.

It is a super-2 number, since 2×2540715² = 12910465422450, which contains 22 as substring.

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, 814 + ... + 2396.

It is an arithmetic number, because the mean of its divisors is an integer number (256608).

2^2540715 is an apocalyptic number.

2540715 is a deficient number, since it is larger than the sum of its proper divisors (1565013).

2540715 is a wasteful number, since it uses less digits than its factorization.

2540715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2540715 is about 1593.9620447175. The cubic root of 2540715 is about 136.4537003005.

The spelling of 2540715 in words is "two million, five hundred forty thousand, seven hundred fifteen".