553103 has 2 divisors, whose sum is σ = 553104. Its totient is φ = 553102.

The previous prime is 553099. The next prime is 553123. The reversal of 553103 is 301355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553103 - 2² = 553099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276551 + 276552.

It is an arithmetic number, because the mean of its divisors is an integer number (276552).

2⁵⁵³¹⁰³ is an apocalyptic number.

553103 is a deficient number, since it is larger than the sum of its proper divisors (1).

553103 is an equidigital number, since it uses as much as digits as its factorization.

553103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 553103 is about 743.7089484469. The cubic root of 553103 is about 82.0859202520.

Adding to 553103 its reverse (301355), we get a palindrome (854458).

It can be divided in two parts, 553 and 103, that added together give a palindrome (656).

The spelling of 553103 in words is "five hundred fifty-three thousand, one hundred three".