1305373 has 2 divisors, whose sum is σ = 1305374. Its totient is φ = 1305372.

The previous prime is 1305371. The next prime is 1305383. The reversal of 1305373 is 3735031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994009 + 311364 = 997^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305373 - 2¹ = 1305371 is a prime.

Together with 1305371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652686 + 652687.

It is an arithmetic number, because the mean of its divisors is an integer number (652687).

2^1305373 is an apocalyptic number.

It is an amenable number.

1305373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305373 is an equidigital number, since it uses as much as digits as its factorization.

1305373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 1305373 is about 1142.5292118804. The cubic root of 1305373 is about 109.2894419881.

The spelling of 1305373 in words is "one million, three hundred five thousand, three hundred seventy-three".