102513841 has 2 divisors, whose sum is σ = 102513842. Its totient is φ = 102513840.

The previous prime is 102513839. The next prime is 102513871. The reversal of 102513841 is 148315201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84272400 + 18241441 = 9180^2 + 4271^2 .

It is a cyclic number.

It is not a de Polignac number, because 102513841 - 2¹ = 102513839 is a prime.

Together with 102513839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102513821) 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, 51256920 + 51256921.

It is an arithmetic number, because the mean of its divisors is an integer number (51256921).

Almost surely, 2^102513841 is an apocalyptic number.

It is an amenable number.

102513841 is a deficient number, since it is larger than the sum of its proper divisors (1).

102513841 is an equidigital number, since it uses as much as digits as its factorization.

102513841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 102513841 is about 10124.9119008513. The cubic root of 102513841 is about 468.0161453144.

The spelling of 102513841 in words is "one hundred two million, five hundred thirteen thousand, eight hundred forty-one".