2196515 has 4 divisors (see below), whose sum is σ = 2635824. Its totient is φ = 1757208.

The previous prime is 2196499. The next prime is 2196529. The reversal of 2196515 is 5156912.

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 2196515 - 2⁴ = 2196499 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219647 + ... + 219656.

It is an arithmetic number, because the mean of its divisors is an integer number (658956).

2^2196515 is an apocalyptic number.

2196515 is a deficient number, since it is larger than the sum of its proper divisors (439309).

2196515 is an equidigital number, since it uses as much as digits as its factorization.

2196515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439308.

The product of its digits is 2700, while the sum is 29.

The square root of 2196515 is about 1482.0644385451. The cubic root of 2196515 is about 129.9904332210.

The spelling of 2196515 in words is "two million, one hundred ninety-six thousand, five hundred fifteen".