19373 has 2 divisors, whose sum is σ = 19374. Its totient is φ = 19372.

The previous prime is 19333. The next prime is 19379. The reversal of 19373 is 37391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14884 + 4489 = 122^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 19373 - 2⁶ = 19309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19379) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9686 + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (9687).

2¹⁹³⁷³ is an apocalyptic number.

It is an amenable number.

19373 is a deficient number, since it is larger than the sum of its proper divisors (1).

19373 is an equidigital number, since it uses as much as digits as its factorization.

19373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567, while the sum is 23.

The square root of 19373 is about 139.1869246733. The cubic root of 19373 is about 26.8575025820.

The spelling of 19373 in words is "nineteen thousand, three hundred seventy-three".