103210249 has 2 divisors, whose sum is σ = 103210250. Its totient is φ = 103210248.

The previous prime is 103210241. The next prime is 103210259. The reversal of 103210249 is 942012301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72795024 + 30415225 = 8532^2 + 5515^2 .

It is a cyclic number.

It is not a de Polignac number, because 103210249 - 2³ = 103210241 is a prime.

It is not a weakly prime, because it can be changed into another prime (103210241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605124 + 51605125.

It is an arithmetic number, because the mean of its divisors is an integer number (51605125).

Almost surely, 2^103210249 is an apocalyptic number.

It is an amenable number.

103210249 is a deficient number, since it is larger than the sum of its proper divisors (1).

103210249 is an equidigital number, since it uses as much as digits as its factorization.

103210249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 103210249 is about 10159.2445093127. The cubic root of 103210249 is about 469.0735469605.

The spelling of 103210249 in words is "one hundred three million, two hundred ten thousand, two hundred forty-nine".