1005373 has 2 divisors, whose sum is σ = 1005374. Its totient is φ = 1005372.

The previous prime is 1005371. The next prime is 1005391. The reversal of 1005373 is 3735001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 1369 = 1002^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005373 - 2¹ = 1005371 is a prime.

Together with 1005371, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1005373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502686 + 502687.

It is an arithmetic number, because the mean of its divisors is an integer number (502687).

2^1005373 is an apocalyptic number.

It is an amenable number.

1005373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005373 is an equidigital number, since it uses as much as digits as its factorization.

1005373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 1005373 is about 1002.6829010211. The cubic root of 1005373 is about 100.1787801860.

It can be divided in two parts, 1005 and 373, that added together give a triangular number (1378 = T₅₂).

The spelling of 1005373 in words is "one million, five thousand, three hundred seventy-three".