2173967 has 2 divisors, whose sum is σ = 2173968. Its totient is φ = 2173966.

The previous prime is 2173957. The next prime is 2173981. The reversal of 2173967 is 7693712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2173967 - 2⁶ = 2173903 is a prime.

It is a super-2 number, since 2×2173967² = 9452265034178, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086983 + 1086984.

It is an arithmetic number, because the mean of its divisors is an integer number (1086984).

2^2173967 is an apocalyptic number.

2173967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173967 is an equidigital number, since it uses as much as digits as its factorization.

2173967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 35.

The square root of 2173967 is about 1474.4378589822. The cubic root of 2173967 is about 129.5441032830.

The spelling of 2173967 in words is "two million, one hundred seventy-three thousand, nine hundred sixty-seven".