39102913 has 2 divisors, whose sum is σ = 39102914. Its totient is φ = 39102912.

The previous prime is 39102911. The next prime is 39102977. The reversal of 39102913 is 31920193.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23357889 + 15745024 = 4833^2 + 3968^2 .

It is a cyclic number.

It is not a de Polignac number, because 39102913 - 2¹ = 39102911 is a prime.

Together with 39102911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (39102911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19551456 + 19551457.

It is an arithmetic number, because the mean of its divisors is an integer number (19551457).

Almost surely, 2^39102913 is an apocalyptic number.

It is an amenable number.

39102913 is a deficient number, since it is larger than the sum of its proper divisors (1).

39102913 is an equidigital number, since it uses as much as digits as its factorization.

39102913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 39102913 is about 6253.2322042285. The cubic root of 39102913 is about 339.4191726885.

The spelling of 39102913 in words is "thirty-nine million, one hundred two thousand, nine hundred thirteen".