105603361 has 2 divisors, whose sum is σ = 105603362. Its totient is φ = 105603360.

The previous prime is 105603347. The next prime is 105603389. The reversal of 105603361 is 163306501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 5202961 = 10020^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 105603361 - 2¹³ = 105595169 is a prime.

It is a super-2 number, since 2×105603361² = 22304139708992642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105603461) 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, 52801680 + 52801681.

It is an arithmetic number, because the mean of its divisors is an integer number (52801681).

Almost surely, 2^105603361 is an apocalyptic number.

It is an amenable number.

105603361 is a deficient number, since it is larger than the sum of its proper divisors (1).

105603361 is an equidigital number, since it uses as much as digits as its factorization.

105603361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 105603361 is about 10276.3495950654. The cubic root of 105603361 is about 472.6713147532.

Adding to 105603361 its reverse (163306501), we get a palindrome (268909862).

The spelling of 105603361 in words is "one hundred five million, six hundred three thousand, three hundred sixty-one".