2133515 has 16 divisors (see below), whose sum is σ = 2667168. Its totient is φ = 1637376.

The previous prime is 2133487. The next prime is 2133533. The reversal of 2133515 is 5153312.

2133515 = T₇₀ + T₇₁ + ... + T₂₃₅.

It is a cyclic number.

It is not a de Polignac number, because 2133515 - 2¹² = 2129419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21947 + ... + 22043.

It is an arithmetic number, because the mean of its divisors is an integer number (166698).

2^2133515 is an apocalyptic number.

2133515 is a deficient number, since it is larger than the sum of its proper divisors (533653).

2133515 is an equidigital number, since it uses as much as digits as its factorization.

2133515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238.

The product of its digits is 450, while the sum is 20.

The square root of 2133515 is about 1460.6556746886. The cubic root of 2133515 is about 128.7355719528.

Adding to 2133515 its reverse (5153312), we get a palindrome (7286827).

The spelling of 2133515 in words is "two million, one hundred thirty-three thousand, five hundred fifteen".