2540115 has 24 divisors (see below), whose sum is σ = 4500288. Its totient is φ = 1324800.

The previous prime is 2540113. The next prime is 2540141. The reversal of 2540115 is 5110452.

It is not a de Polignac number, because 2540115 - 2¹ = 2540113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1515 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (187512).

2^2540115 is an apocalyptic number.

2540115 is a deficient number, since it is larger than the sum of its proper divisors (1960173).

2540115 is a wasteful number, since it uses less digits than its factorization.

2540115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2540115 is about 1593.7738233514. The cubic root of 2540115 is about 136.4429580926.

Adding to 2540115 its reverse (5110452), we get a palindrome (7650567).

It can be divided in two parts, 254011 and 5, that added together give a square (254016 = 504²).

The spelling of 2540115 in words is "two million, five hundred forty thousand, one hundred fifteen".