2642117 has 2 divisors, whose sum is σ = 2642118. Its totient is φ = 2642116.

The previous prime is 2642111. The next prime is 2642137. The reversal of 2642117 is 7112462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1865956 + 776161 = 1366^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642117 - 2¹⁸ = 2379973 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2642092 and 2642101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321058 + 1321059.

It is an arithmetic number, because the mean of its divisors is an integer number (1321059).

2^2642117 is an apocalyptic number.

It is an amenable number.

2642117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642117 is an equidigital number, since it uses as much as digits as its factorization.

2642117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 2642117 is about 1625.4590120947. The cubic root of 2642117 is about 138.2453975733.

Adding to 2642117 its reverse (7112462), we get a palindrome (9754579).

The spelling of 2642117 in words is "two million, six hundred forty-two thousand, one hundred seventeen".