2660117 has 2 divisors, whose sum is σ = 2660118. Its totient is φ = 2660116.

The previous prime is 2660107. The next prime is 2660131. The reversal of 2660117 is 7110662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2283121 + 376996 = 1511^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660117 - 2⁸ = 2659861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660092 and 2660101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330058 + 1330059.

It is an arithmetic number, because the mean of its divisors is an integer number (1330059).

2^2660117 is an apocalyptic number.

It is an amenable number.

2660117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660117 is an equidigital number, since it uses as much as digits as its factorization.

2660117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2660117 is about 1630.9865112870. The cubic root of 2660117 is about 138.5586296627.

Adding to 2660117 its reverse (7110662), we get a palindrome (9770779).

The spelling of 2660117 in words is "two million, six hundred sixty thousand, one hundred seventeen".