102816361 has 2 divisors, whose sum is σ = 102816362. Its totient is φ = 102816360.

The previous prime is 102816359. The next prime is 102816379. The reversal of 102816361 is 163618201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55413136 + 47403225 = 7444^2 + 6885^2 .

It is an emirp because it is prime and its reverse (163618201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102816361 - 2¹ = 102816359 is a prime.

Together with 102816359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102816761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51408180 + 51408181.

It is an arithmetic number, because the mean of its divisors is an integer number (51408181).

Almost surely, 2^102816361 is an apocalyptic number.

It is an amenable number.

102816361 is a deficient number, since it is larger than the sum of its proper divisors (1).

102816361 is an equidigital number, since it uses as much as digits as its factorization.

102816361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 102816361 is about 10139.8402847382. The cubic root of 102816361 is about 468.4760675984.

The spelling of 102816361 in words is "one hundred two million, eight hundred sixteen thousand, three hundred sixty-one".