2442515 has 4 divisors (see below), whose sum is σ = 2931024. Its totient is φ = 1954008.

The previous prime is 2442511. The next prime is 2442527. The reversal of 2442515 is 5152442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5152442 = 2 ⋅2576221.

It is a cyclic number.

It is not a de Polignac number, because 2442515 - 2² = 2442511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2442511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244247 + ... + 244256.

It is an arithmetic number, because the mean of its divisors is an integer number (732756).

2^2442515 is an apocalyptic number.

2442515 is a deficient number, since it is larger than the sum of its proper divisors (488509).

2442515 is an equidigital number, since it uses as much as digits as its factorization.

2442515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488508.

The product of its digits is 1600, while the sum is 23.

The square root of 2442515 is about 1562.8547597266. The cubic root of 2442515 is about 134.6725488668.

Adding to 2442515 its reverse (5152442), we get a palindrome (7594957).

The spelling of 2442515 in words is "two million, four hundred forty-two thousand, five hundred fifteen".