2170937 has 2 divisors, whose sum is σ = 2170938. Its totient is φ = 2170936.

The previous prime is 2170919. The next prime is 2170939. The reversal of 2170937 is 7390712.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2105401 + 65536 = 1451^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170937 - 2⁸ = 2170681 is a prime.

Together with 2170939, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is equal to p₁₆₀₆₉₇ and since 2170937 and 160697 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2170939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085468 + 1085469.

It is an arithmetic number, because the mean of its divisors is an integer number (1085469).

2^2170937 is an apocalyptic number.

It is an amenable number.

2170937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170937 is an equidigital number, since it uses as much as digits as its factorization.

2170937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2170937 is about 1473.4099904643. The cubic root of 2170937 is about 129.4838906036.

The spelling of 2170937 in words is "two million, one hundred seventy thousand, nine hundred thirty-seven".