198526103 has 2 divisors, whose sum is σ = 198526104. Its totient is φ = 198526102.

The previous prime is 198526057. The next prime is 198526121. The reversal of 198526103 is 301625891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198526103 - 2¹² = 198522007 is a prime.

It is a super-2 number, since 2×198526103² = 78825227144733218, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198526183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99263051 + 99263052.

It is an arithmetic number, because the mean of its divisors is an integer number (99263052).

Almost surely, 2^198526103 is an apocalyptic number.

198526103 is a deficient number, since it is larger than the sum of its proper divisors (1).

198526103 is an equidigital number, since it uses as much as digits as its factorization.

198526103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 198526103 is about 14089.9291339595. The cubic root of 198526103 is about 583.3634372129.

The spelling of 198526103 in words is "one hundred ninety-eight million, five hundred twenty-six thousand, one hundred three".