2115677 has 2 divisors, whose sum is σ = 2115678. Its totient is φ = 2115676.

The previous prime is 2115671. The next prime is 2115683. The reversal of 2115677 is 7765112.

It is a balanced prime because it is at equal distance from previous prime (2115671) and next prime (2115683).

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 116281 = 1414^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115677 - 2¹⁰ = 2114653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057838 + 1057839.

It is an arithmetic number, because the mean of its divisors is an integer number (1057839).

2^2115677 is an apocalyptic number.

It is an amenable number.

2115677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115677 is an equidigital number, since it uses as much as digits as its factorization.

2115677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 29.

The square root of 2115677 is about 1454.5366959964. The cubic root of 2115677 is about 128.3757877568.

The spelling of 2115677 in words is "two million, one hundred fifteen thousand, six hundred seventy-seven".