1350403 has 2 divisors, whose sum is σ = 1350404. Its totient is φ = 1350402.

The previous prime is 1350383. The next prime is 1350449. The reversal of 1350403 is 3040531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1350403 - 2⁹ = 1349891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1350473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675201 + 675202.

It is an arithmetic number, because the mean of its divisors is an integer number (675202).

2^1350403 is an apocalyptic number.

1350403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350403 is an equidigital number, since it uses as much as digits as its factorization.

1350403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1350403 is about 1162.0684145092. The cubic root of 1350403 is about 110.5319413813.

Adding to 1350403 its reverse (3040531), we get a palindrome (4390934).

The spelling of 1350403 in words is "one million, three hundred fifty thousand, four hundred three".