105640303 has 2 divisors, whose sum is σ = 105640304. Its totient is φ = 105640302.

The previous prime is 105640279. The next prime is 105640319. The reversal of 105640303 is 303046501.

It is a strong prime.

It is an emirp because it is prime and its reverse (303046501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105640303 is a prime.

It is a super-2 number, since 2×105640303² = 22319747235863618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105640603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52820151 + 52820152.

It is an arithmetic number, because the mean of its divisors is an integer number (52820152).

Almost surely, 2^105640303 is an apocalyptic number.

105640303 is a deficient number, since it is larger than the sum of its proper divisors (1).

105640303 is an equidigital number, since it uses as much as digits as its factorization.

105640303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 105640303 is about 10278.1468660455. The cubic root of 105640303 is about 472.7264247037.

Adding to 105640303 its reverse (303046501), we get a palindrome (408686804).

The spelling of 105640303 in words is "one hundred five million, six hundred forty thousand, three hundred three".