2541215 has 4 divisors (see below), whose sum is σ = 3049464. Its totient is φ = 2032968.

The previous prime is 2541173. The next prime is 2541229. The reversal of 2541215 is 5121452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2541215 - 2⁶ = 2541151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254117 + ... + 254126.

It is an arithmetic number, because the mean of its divisors is an integer number (762366).

2^2541215 is an apocalyptic number.

2541215 is a deficient number, since it is larger than the sum of its proper divisors (508249).

2541215 is an equidigital number, since it uses as much as digits as its factorization.

2541215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508248.

The product of its digits is 400, while the sum is 20.

The square root of 2541215 is about 1594.1188788795. The cubic root of 2541215 is about 136.4626508485.

Adding to 2541215 its reverse (5121452), we get a palindrome (7662667).

The spelling of 2541215 in words is "two million, five hundred forty-one thousand, two hundred fifteen".