1965167 has 2 divisors, whose sum is σ = 1965168. Its totient is φ = 1965166.

The previous prime is 1965133. The next prime is 1965179. The reversal of 1965167 is 7615691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1965167 - 2¹⁰ = 1964143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1965767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982583 + 982584.

It is an arithmetic number, because the mean of its divisors is an integer number (982584).

2^1965167 is an apocalyptic number.

1965167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1965167 is an equidigital number, since it uses as much as digits as its factorization.

1965167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 1965167 is about 1401.8441425494. The cubic root of 1965167 is about 125.2563698366.

The spelling of 1965167 in words is "one million, nine hundred sixty-five thousand, one hundred sixty-seven".