1353173 has 2 divisors, whose sum is σ = 1353174. Its totient is φ = 1353172.

The previous prime is 1353137. The next prime is 1353179. The reversal of 1353173 is 3713531.

It is a happy number.

Together with previous prime (1353137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 386884 = 983^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353173 - 2⁸ = 1352917 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676586 + 676587.

It is an arithmetic number, because the mean of its divisors is an integer number (676587).

2^1353173 is an apocalyptic number.

It is an amenable number.

1353173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353173 is an equidigital number, since it uses as much as digits as its factorization.

1353173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 945, while the sum is 23.

The square root of 1353173 is about 1163.2596442755. The cubic root of 1353173 is about 110.6074655942.

The spelling of 1353173 in words is "one million, three hundred fifty-three thousand, one hundred seventy-three".