19302113 has 2 divisors, whose sum is σ = 19302114. Its totient is φ = 19302112.

The previous prime is 19302109. The next prime is 19302121. The reversal of 19302113 is 31120391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16703569 + 2598544 = 4087^2 + 1612^2 .

It is a cyclic number.

It is not a de Polignac number, because 19302113 - 2² = 19302109 is a prime.

It is not a weakly prime, because it can be changed into another prime (19302163) 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, 9651056 + 9651057.

It is an arithmetic number, because the mean of its divisors is an integer number (9651057).

Almost surely, 2^19302113 is an apocalyptic number.

It is an amenable number.

19302113 is a deficient number, since it is larger than the sum of its proper divisors (1).

19302113 is an equidigital number, since it uses as much as digits as its factorization.

19302113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 19302113 is about 4393.4170072963. The cubic root of 19302113 is about 268.2470479442.

The spelling of 19302113 in words is "nineteen million, three hundred two thousand, one hundred thirteen".