1391353 has 2 divisors, whose sum is σ = 1391354. Its totient is φ = 1391352.

The previous prime is 1391323. The next prime is 1391363. The reversal of 1391353 is 3531931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868624 + 522729 = 932^2 + 723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1391353 - 2⁹ = 1390841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1391323) 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, 695676 + 695677.

It is an arithmetic number, because the mean of its divisors is an integer number (695677).

2^1391353 is an apocalyptic number.

It is an amenable number.

1391353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1391353 is an equidigital number, since it uses as much as digits as its factorization.

1391353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1215, while the sum is 25.

The square root of 1391353 is about 1179.5562725025. The cubic root of 1391353 is about 111.6381016512.

The spelling of 1391353 in words is "one million, three hundred ninety-one thousand, three hundred fifty-three".