2100697 has 4 divisors (see below), whose sum is σ = 2211280. Its totient is φ = 1990116.

The previous prime is 2100691. The next prime is 2100713. The reversal of 2100697 is 7960012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100697 - 2⁷ = 2100569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55263 + ... + 55300.

It is an arithmetic number, because the mean of its divisors is an integer number (552820).

2^2100697 is an apocalyptic number.

It is an amenable number.

2100697 is a deficient number, since it is larger than the sum of its proper divisors (110583).

2100697 is a wasteful number, since it uses less digits than its factorization.

2100697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110582.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2100697 is about 1449.3781425149. The cubic root of 2100697 is about 128.0720826090.

The spelling of 2100697 in words is "two million, one hundred thousand, six hundred ninety-seven".