2879515 has 4 divisors (see below), whose sum is σ = 3455424. Its totient is φ = 2303608.

The previous prime is 2879509. The next prime is 2879521. The reversal of 2879515 is 5159782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5159782 = 2 ⋅2579891.

It is an interprime number because it is at equal distance from previous prime (2879509) and next prime (2879521).

It is a cyclic number.

It is not a de Polignac number, because 2879515 - 2⁹ = 2879003 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 8⁷ + 7 + 9² + 5⁸ + 1 + 5⁸ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287947 + ... + 287956.

It is an arithmetic number, because the mean of its divisors is an integer number (863856).

2^2879515 is an apocalyptic number.

2879515 is a deficient number, since it is larger than the sum of its proper divisors (575909).

2879515 is an equidigital number, since it uses as much as digits as its factorization.

2879515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575908.

The product of its digits is 25200, while the sum is 37.

The square root of 2879515 is about 1696.9133743359. The cubic root of 2879515 is about 142.2677451884.

The spelling of 2879515 in words is "two million, eight hundred seventy-nine thousand, five hundred fifteen".