2162611 has 12 divisors (see below), whose sum is σ = 2437560. Its totient is φ = 1902560.

The previous prime is 2162603. The next prime is 2162623. The reversal of 2162611 is 1162612.

It is not a de Polignac number, because 2162611 - 2³ = 2162603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24255 + ... + 24343.

It is an arithmetic number, because the mean of its divisors is an integer number (203130).

2^2162611 is an apocalyptic number.

2162611 is a deficient number, since it is larger than the sum of its proper divisors (274949).

2162611 is an equidigital number, since it uses as much as digits as its factorization.

2162611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 147 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 2162611 is about 1470.5818576332. The cubic root of 2162611 is about 129.3181458826.

Subtracting from 2162611 its reverse (1162612), we obtain a palindrome (999999).

The spelling of 2162611 in words is "two million, one hundred sixty-two thousand, six hundred eleven".