1309093 has 2 divisors, whose sum is σ = 1309094. Its totient is φ = 1309092.

The previous prime is 1309079. The next prime is 1309103. The reversal of 1309093 is 3909031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117249 + 191844 = 1057^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 1309093 - 2⁹ = 1308581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1309013) 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, 654546 + 654547.

It is an arithmetic number, because the mean of its divisors is an integer number (654547).

2^1309093 is an apocalyptic number.

It is an amenable number.

1309093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1309093 is an equidigital number, since it uses as much as digits as its factorization.

1309093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 1309093 is about 1144.1560208293. The cubic root of 1309093 is about 109.3931597602.

The spelling of 1309093 in words is "one million, three hundred nine thousand, ninety-three".