197449103 has 2 divisors, whose sum is σ = 197449104. Its totient is φ = 197449102.

The previous prime is 197449079. The next prime is 197449123. The reversal of 197449103 is 301944791.

It is a strong prime.

It is an emirp because it is prime and its reverse (301944791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197449103 - 2⁸ = 197448847 is a prime.

It is a super-2 number, since 2×197449103² = 77972296551009218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197449123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98724551 + 98724552.

It is an arithmetic number, because the mean of its divisors is an integer number (98724552).

Almost surely, 2^197449103 is an apocalyptic number.

197449103 is a deficient number, since it is larger than the sum of its proper divisors (1).

197449103 is an equidigital number, since it uses as much as digits as its factorization.

197449103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 197449103 is about 14051.6583718791. The cubic root of 197449103 is about 582.3066122938.

The spelling of 197449103 in words is "one hundred ninety-seven million, four hundred forty-nine thousand, one hundred three".