2522515 has 8 divisors (see below), whose sum is σ = 3068928. Its totient is φ = 1990080.

The previous prime is 2522503. The next prime is 2522543. The reversal of 2522515 is 5152252.

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

It is not a de Polignac number, because 2522515 - 2²¹ = 425363 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, 3091 + ... + 3820.

It is an arithmetic number, because the mean of its divisors is an integer number (383616).

2^2522515 is an apocalyptic number.

2522515 is a deficient number, since it is larger than the sum of its proper divisors (546413).

2522515 is an equidigital number, since it uses as much as digits as its factorization.

2522515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989.

The product of its digits is 1000, while the sum is 22.

The square root of 2522515 is about 1588.2427396340. The cubic root of 2522515 is about 136.1270978800.

Adding to 2522515 its reverse (5152252), we get a palindrome (7674767).

The spelling of 2522515 in words is "two million, five hundred twenty-two thousand, five hundred fifteen".