100503097 has 2 divisors, whose sum is σ = 100503098. Its totient is φ = 100503096.

The previous prime is 100503047. The next prime is 100503107. The reversal of 100503097 is 790305001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98823481 + 1679616 = 9941^2 + 1296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100503097 is a prime.

It is not a weakly prime, because it can be changed into another prime (100503017) 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, 50251548 + 50251549.

It is an arithmetic number, because the mean of its divisors is an integer number (50251549).

Almost surely, 2^100503097 is an apocalyptic number.

It is an amenable number.

100503097 is a deficient number, since it is larger than the sum of its proper divisors (1).

100503097 is an equidigital number, since it uses as much as digits as its factorization.

100503097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 100503097 is about 10025.1232910124. The cubic root of 100503097 is about 464.9359714514.

Adding to 100503097 its reverse (790305001), we get a palindrome (890808098).

The spelling of 100503097 in words is "one hundred million, five hundred three thousand, ninety-seven".