1383653 has 2 divisors, whose sum is σ = 1383654. Its totient is φ = 1383652.

The previous prime is 1383607. The next prime is 1383659. The reversal of 1383653 is 3563831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 232324 = 1073^2 + 482^2 .

It is an emirp because it is prime and its reverse (3563831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383653 - 2⁶ = 1383589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383659) 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, 691826 + 691827.

It is an arithmetic number, because the mean of its divisors is an integer number (691827).

2^1383653 is an apocalyptic number.

It is an amenable number.

1383653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383653 is an equidigital number, since it uses as much as digits as its factorization.

1383653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 1383653 is about 1176.2878049185. The cubic root of 1383653 is about 111.4317787343.

The spelling of 1383653 in words is "one million, three hundred eighty-three thousand, six hundred fifty-three".