2152611 has 6 divisors (see below), whose sum is σ = 3109340. Its totient is φ = 1435068.

The previous prime is 2152607. The next prime is 2152621. The reversal of 2152611 is 1162512.

2152611 is a `hidden beast` number, since 2 + 1 + 52 + 611 = 666.

It is not a de Polignac number, because 2152611 - 2² = 2152607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119581 + ... + 119598.

2^2152611 is an apocalyptic number.

2152611 is a deficient number, since it is larger than the sum of its proper divisors (956729).

2152611 is a wasteful number, since it uses less digits than its factorization.

2152611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239185 (or 239182 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 2152611 is about 1467.1779033232. The cubic root of 2152611 is about 129.1185137656.

Subtracting from 2152611 its reverse (1162512), we obtain a palindrome (990099).

The spelling of 2152611 in words is "two million, one hundred fifty-two thousand, six hundred eleven".