1959973 has 2 divisors, whose sum is σ = 1959974. Its totient is φ = 1959972.

The previous prime is 1959967. The next prime is 1960009. The reversal of 1959973 is 3799591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1117249 + 842724 = 1057^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 1959973 - 2⁵ = 1959941 is a prime.

1959973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1959943) 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, 979986 + 979987.

It is an arithmetic number, because the mean of its divisors is an integer number (979987).

2^1959973 is an apocalyptic number.

It is an amenable number.

1959973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1959973 is an equidigital number, since it uses as much as digits as its factorization.

1959973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76545, while the sum is 43.

The square root of 1959973 is about 1399.9903571096. The cubic root of 1959973 is about 125.1459202586.

The spelling of 1959973 in words is "one million, nine hundred fifty-nine thousand, nine hundred seventy-three".