2172367 has 2 divisors, whose sum is σ = 2172368. Its totient is φ = 2172366.

The previous prime is 2172347. The next prime is 2172371. The reversal of 2172367 is 7632712.

2172367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2172367 - 2⁷ = 2172239 is a prime.

It is a Chen prime.

2172367 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2172337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086183 + 1086184.

It is an arithmetic number, because the mean of its divisors is an integer number (1086184).

2^2172367 is an apocalyptic number.

2172367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172367 is an equidigital number, since it uses as much as digits as its factorization.

2172367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 2172367 is about 1473.8951794480. The cubic root of 2172367 is about 129.5123147852.

The spelling of 2172367 in words is "two million, one hundred seventy-two thousand, three hundred sixty-seven".