2542615 has 16 divisors (see below), whose sum is σ = 3185280. Its totient is φ = 1946880.

The previous prime is 2542609. The next prime is 2542619. The reversal of 2542615 is 5162452.

2542615 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 2542615 - 2³ = 2542607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2542615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542619) 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, 16117 + ... + 16273.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

2^2542615 is an apocalyptic number.

2542615 is a deficient number, since it is larger than the sum of its proper divisors (642665).

2542615 is a wasteful number, since it uses less digits than its factorization.

2542615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

The product of its digits is 2400, while the sum is 25.

The square root of 2542615 is about 1594.5579324691. The cubic root of 2542615 is about 136.4877061387.

The spelling of 2542615 in words is "two million, five hundred forty-two thousand, six hundred fifteen".