2141515 has 4 divisors (see below), whose sum is σ = 2569824. Its totient is φ = 1713208.

The previous prime is 2141497. The next prime is 2141519. The reversal of 2141515 is 5151412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141515 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141492 and 2141501.

It is not an unprimeable number, because it can be changed into a prime (2141519) 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, 214147 + ... + 214156.

It is an arithmetic number, because the mean of its divisors is an integer number (642456).

2^2141515 is an apocalyptic number.

2141515 is a deficient number, since it is larger than the sum of its proper divisors (428309).

2141515 is an equidigital number, since it uses as much as digits as its factorization.

2141515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428308.

The product of its digits is 200, while the sum is 19.

The square root of 2141515 is about 1463.3916085587. The cubic root of 2141515 is about 128.8962770185.

Adding to 2141515 its reverse (5151412), we get a palindrome (7292927).

The spelling of 2141515 in words is "two million, one hundred forty-one thousand, five hundred fifteen".