2541515 has 8 divisors (see below), whose sum is σ = 3121008. Its totient is φ = 1985760.

The previous prime is 2541503. The next prime is 2541527. The reversal of 2541515 is 5151452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2541503) and next prime (2541527).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2541515 - 2⁴ = 2541499 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 5696 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (390126).

2^2541515 is an apocalyptic number.

2541515 is a deficient number, since it is larger than the sum of its proper divisors (579493).

2541515 is a wasteful number, since it uses less digits than its factorization.

2541515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11869.

The product of its digits is 1000, while the sum is 23.

The square root of 2541515 is about 1594.2129719708. The cubic root of 2541515 is about 136.4680206138.

Adding to 2541515 its reverse (5151452), we get a palindrome (7692967).

The spelling of 2541515 in words is "two million, five hundred forty-one thousand, five hundred fifteen".