2172067 has 2 divisors, whose sum is σ = 2172068. Its totient is φ = 2172066.

The previous prime is 2172047. The next prime is 2172083. The reversal of 2172067 is 7602712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2172067 is a prime.

It is not a weakly prime, because it can be changed into another prime (2172007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086033 + 1086034.

It is an arithmetic number, because the mean of its divisors is an integer number (1086034).

2^2172067 is an apocalyptic number.

2172067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172067 is an equidigital number, since it uses as much as digits as its factorization.

2172067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 2172067 is about 1473.7934047892. The cubic root of 2172067 is about 129.5063527044.

Adding to 2172067 its reverse (7602712), we get a palindrome (9774779).

The spelling of 2172067 in words is "two million, one hundred seventy-two thousand, sixty-seven".