102985349 has 2 divisors, whose sum is σ = 102985350. Its totient is φ = 102985348.

The previous prime is 102985327. The next prime is 102985361. The reversal of 102985349 is 943589201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102616900 + 368449 = 10130^2 + 607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102985349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102985849) 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, 51492674 + 51492675.

It is an arithmetic number, because the mean of its divisors is an integer number (51492675).

Almost surely, 2^102985349 is an apocalyptic number.

It is an amenable number.

102985349 is a deficient number, since it is larger than the sum of its proper divisors (1).

102985349 is an equidigital number, since it uses as much as digits as its factorization.

102985349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 102985349 is about 10148.1697364599. The cubic root of 102985349 is about 468.7325880584.

The spelling of 102985349 in words is "one hundred two million, nine hundred eighty-five thousand, three hundred forty-nine".