105603053 has 4 divisors (see below), whose sum is σ = 105806268. Its totient is φ = 105399840.

The previous prime is 105603049. The next prime is 105603073. The reversal of 105603053 is 350306501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17280649 + 88322404 = 4157^2 + 9398^2 .

It is a cyclic number.

It is not a de Polignac number, because 105603053 - 2² = 105603049 is a prime.

It is a super-2 number, since 2×105603053² = 22304009605841618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105603073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100826 + ... + 101867.

It is an arithmetic number, because the mean of its divisors is an integer number (26451567).

Almost surely, 2^105603053 is an apocalyptic number.

It is an amenable number.

105603053 is a deficient number, since it is larger than the sum of its proper divisors (203215).

105603053 is an equidigital number, since it uses as much as digits as its factorization.

105603053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203214.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 105603053 is about 10276.3346091882. The cubic root of 105603053 is about 472.6708552259.

Adding to 105603053 its reverse (350306501), we get a palindrome (455909554).

The spelling of 105603053 in words is "one hundred five million, six hundred three thousand, fifty-three".