2152115 has 16 divisors (see below), whose sum is σ = 3125952. Its totient is φ = 1388544.

The previous prime is 2152103. The next prime is 2152123. The reversal of 2152115 is 5112512.

2152115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2152115 - 2¹² = 2148019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2152093 and 2152102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (195372).

2^2152115 is an apocalyptic number.

2152115 is a deficient number, since it is larger than the sum of its proper divisors (973837).

2152115 is a wasteful number, since it uses less digits than its factorization.

2152115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646.

The product of its digits is 100, while the sum is 17.

The square root of 2152115 is about 1467.0088615956. The cubic root of 2152115 is about 129.1085959337.

Adding to 2152115 its reverse (5112512), we get a palindrome (7264627).

The spelling of 2152115 in words is "two million, one hundred fifty-two thousand, one hundred fifteen".