103003553 has 2 divisors, whose sum is σ = 103003554. Its totient is φ = 103003552.

The previous prime is 103003543. The next prime is 103003573. The reversal of 103003553 is 355300301.

It is an a-pointer prime, because the next prime (103003573) can be obtained adding 103003553 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70090384 + 32913169 = 8372^2 + 5737^2 .

It is a cyclic number.

It is not a de Polignac number, because 103003553 - 2⁶ = 103003489 is a prime.

It is not a weakly prime, because it can be changed into another prime (103003543) 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, 51501776 + 51501777.

It is an arithmetic number, because the mean of its divisors is an integer number (51501777).

Almost surely, 2^103003553 is an apocalyptic number.

It is an amenable number.

103003553 is a deficient number, since it is larger than the sum of its proper divisors (1).

103003553 is an equidigital number, since it uses as much as digits as its factorization.

103003553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 103003553 is about 10149.0666073290. The cubic root of 103003553 is about 468.7602046253.

Adding to 103003553 its reverse (355300301), we get a palindrome (458303854).

The spelling of 103003553 in words is "one hundred three million, three thousand, five hundred fifty-three".