103201649 has 2 divisors, whose sum is σ = 103201650. Its totient is φ = 103201648.

The previous prime is 103201639. The next prime is 103201661. The reversal of 103201649 is 946102301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77880625 + 25321024 = 8825^2 + 5032^2 .

It is an emirp because it is prime and its reverse (946102301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103201649 - 2¹⁶ = 103136113 is a prime.

It is equal to p_5935211 and since 103201649 and 5935211 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (103201639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51600824 + 51600825.

It is an arithmetic number, because the mean of its divisors is an integer number (51600825).

Almost surely, 2^103201649 is an apocalyptic number.

It is an amenable number.

103201649 is a deficient number, since it is larger than the sum of its proper divisors (1).

103201649 is an equidigital number, since it uses as much as digits as its factorization.

103201649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 103201649 is about 10158.8212406755. The cubic root of 103201649 is about 469.0605180717.

The spelling of 103201649 in words is "one hundred three million, two hundred one thousand, six hundred forty-nine".