15373 has 2 divisors, whose sum is σ = 15374.
Its totient is φ = 15372.
The previous prime is 15361. The next prime is 15377. The reversal of 15373 is 37351.
It can be divided in two parts, 1537 and 3, that added together give a triangular number (1540 = T55).
15373 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 can be written as a sum of positive squares in only one way, i.e., 8649 + 6724 = 93^2 + 82^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15373 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 15373.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (15377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7686 + 7687.
It is an arithmetic number, because the mean of its divisors is an integer number (7687).
215373 is an apocalyptic number.
It is an amenable number.
15373 is a deficient number, since it is larger than the sum of its proper divisors (1).
15373 is an equidigital number, since it uses as much as digits as its factorization.
15373 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 315, while the sum is 19.
The square root of 15373 is about 123.9879026357.
The cubic root of 15373 is about 24.8648709213.
The spelling of 15373 in words is "fifteen thousand, three hundred seventy-three".