2541615 has 32 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1262976.

The previous prime is 2541613. The next prime is 2541677. The reversal of 2541615 is 5161452.

2541615 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 2541615 - 2¹ = 2541613 is a prime.

2541615 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541613) 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 31 ways as a sum of consecutive naturals, for example, 18216 + ... + 18354.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2^2541615 is an apocalyptic number.

2541615 is a deficient number, since it is larger than the sum of its proper divisors (1812945).

2541615 is a wasteful number, since it uses less digits than its factorization.

2541615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its digits is 1200, while the sum is 24.

The square root of 2541615 is about 1594.2443351005. The cubic root of 2541615 is about 136.4698104417.

The spelling of 2541615 in words is "two million, five hundred forty-one thousand, six hundred fifteen".