1966301 has 2 divisors, whose sum is σ = 1966302. Its totient is φ = 1966300.

The previous prime is 1966297. The next prime is 1966303. The reversal of 1966301 is 1036691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 89401 = 1370^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1966301 - 2² = 1966297 is a prime.

Together with 1966303, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1966303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983150 + 983151.

It is an arithmetic number, because the mean of its divisors is an integer number (983151).

2^1966301 is an apocalyptic number.

It is an amenable number.

1966301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966301 is an equidigital number, since it uses as much as digits as its factorization.

1966301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1966301 is about 1402.2485514344. The cubic root of 1966301 is about 125.2804582746.

The spelling of 1966301 in words is "one million, nine hundred sixty-six thousand, three hundred one".