103263553 has 2 divisors, whose sum is σ = 103263554. Its totient is φ = 103263552.

The previous prime is 103263547. The next prime is 103263569. The reversal of 103263553 is 355362301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91546624 + 11716929 = 9568^2 + 3423^2 .

It is a cyclic number.

It is not a de Polignac number, because 103263553 - 2²⁵ = 69709121 is a prime.

It is a super-2 number, since 2×103263553² = 21326722756367618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103263533) 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, 51631776 + 51631777.

It is an arithmetic number, because the mean of its divisors is an integer number (51631777).

Almost surely, 2^103263553 is an apocalyptic number.

It is an amenable number.

103263553 is a deficient number, since it is larger than the sum of its proper divisors (1).

103263553 is an equidigital number, since it uses as much as digits as its factorization.

103263553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 103263553 is about 10161.8675940990. The cubic root of 103263553 is about 469.1542856900.

The spelling of 103263553 in words is "one hundred three million, two hundred sixty-three thousand, five hundred fifty-three".