106503263 has 4 divisors (see below), whose sum is σ = 107218200. Its totient is φ = 105788328.

The previous prime is 106503251. The next prime is 106503289. The reversal of 106503263 is 362305601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362305601 = 7 ⋅51757943.

It is a cyclic number.

It is not a de Polignac number, because 106503263 - 2⁴ = 106503247 is a prime.

It is a super-2 number, since 2×106503263² = 22685890059294338, 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 (106503203) 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, 357245 + ... + 357542.

It is an arithmetic number, because the mean of its divisors is an integer number (26804550).

Almost surely, 2^106503263 is an apocalyptic number.

106503263 is a deficient number, since it is larger than the sum of its proper divisors (714937).

106503263 is an equidigital number, since it uses as much as digits as its factorization.

106503263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714936.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 106503263 is about 10320.0418119308. The cubic root of 106503263 is about 474.0101462456.

Adding to 106503263 its reverse (362305601), we get a palindrome (468808864).

The spelling of 106503263 in words is "one hundred six million, five hundred three thousand, two hundred sixty-three".