2100097 has 2 divisors, whose sum is σ = 2100098. Its totient is φ = 2100096.

The previous prime is 2100079. The next prime is 2100113. The reversal of 2100097 is 7900012.

Together with previous prime (2100079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 128881 = 1404^2 + 359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050048 + 1050049.

It is an arithmetic number, because the mean of its divisors is an integer number (1050049).

2^2100097 is an apocalyptic number.

It is an amenable number.

2100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100097 is an equidigital number, since it uses as much as digits as its factorization.

2100097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 2100097 is about 1449.1711424121. The cubic root of 2100097 is about 128.0598881538.

The spelling of 2100097 in words is "two million, one hundred thousand, ninety-seven".