103289513 has 2 divisors, whose sum is σ = 103289514. Its totient is φ = 103289512.

The previous prime is 103289509. The next prime is 103289521. The reversal of 103289513 is 315982301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101868649 + 1420864 = 10093^2 + 1192^2 .

It is an emirp because it is prime and its reverse (315982301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103289513 - 2² = 103289509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103289513.

It is not a weakly prime, because it can be changed into another prime (103289413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51644756 + 51644757.

It is an arithmetic number, because the mean of its divisors is an integer number (51644757).

Almost surely, 2^103289513 is an apocalyptic number.

It is an amenable number.

103289513 is a deficient number, since it is larger than the sum of its proper divisors (1).

103289513 is an equidigital number, since it uses as much as digits as its factorization.

103289513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 103289513 is about 10163.1448380902. The cubic root of 103289513 is about 469.1935968327.

The spelling of 103289513 in words is "one hundred three million, two hundred eighty-nine thousand, five hundred thirteen".