105240503 has 2 divisors, whose sum is σ = 105240504. Its totient is φ = 105240502.

The previous prime is 105240497. The next prime is 105240511. The reversal of 105240503 is 305042501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105240503 is a prime.

It is a super-2 number, since 2×105240503² = 22151126943386018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105240593) 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, 52620251 + 52620252.

It is an arithmetic number, because the mean of its divisors is an integer number (52620252).

Almost surely, 2^105240503 is an apocalyptic number.

105240503 is a deficient number, since it is larger than the sum of its proper divisors (1).

105240503 is an equidigital number, since it uses as much as digits as its factorization.

105240503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 105240503 is about 10258.6793984411. The cubic root of 105240503 is about 472.1293200546.

The spelling of 105240503 in words is "one hundred five million, two hundred forty thousand, five hundred three".