103661297 has 2 divisors, whose sum is σ = 103661298. Its totient is φ = 103661296.

The previous prime is 103661293. The next prime is 103661323. The reversal of 103661297 is 792166301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103144336 + 516961 = 10156^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 103661297 - 2² = 103661293 is a prime.

It is not a weakly prime, because it can be changed into another prime (103661293) 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, 51830648 + 51830649.

It is an arithmetic number, because the mean of its divisors is an integer number (51830649).

Almost surely, 2^103661297 is an apocalyptic number.

It is an amenable number.

103661297 is a deficient number, since it is larger than the sum of its proper divisors (1).

103661297 is an equidigital number, since it uses as much as digits as its factorization.

103661297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 103661297 is about 10181.4192036278. The cubic root of 103661297 is about 469.7558668736.

The spelling of 103661297 in words is "one hundred three million, six hundred sixty-one thousand, two hundred ninety-seven".