2680697 has 2 divisors, whose sum is σ = 2680698. Its totient is φ = 2680696.

The previous prime is 2680693. The next prime is 2680709. The reversal of 2680697 is 7960862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2621161 + 59536 = 1619^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680697 - 2² = 2680693 is a prime.

It is a super-2 number, since 2×2680697² = 14372272811618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2680697.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340348 + 1340349.

It is an arithmetic number, because the mean of its divisors is an integer number (1340349).

2^2680697 is an apocalyptic number.

It is an amenable number.

2680697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680697 is an equidigital number, since it uses as much as digits as its factorization.

2680697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2680697 is about 1637.2834207919. The cubic root of 2680697 is about 138.9150318314.

The spelling of 2680697 in words is "two million, six hundred eighty thousand, six hundred ninety-seven".