15680053 has 2 divisors, whose sum is σ = 15680054. Its totient is φ = 15680052.

The previous prime is 15680051. The next prime is 15680057. The reversal of 15680053 is 35008651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11444689 + 4235364 = 3383^2 + 2058^2 .

It is a cyclic number.

It is not a de Polignac number, because 15680053 - 2¹ = 15680051 is a prime.

Together with 15680051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15680051) 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, 7840026 + 7840027.

It is an arithmetic number, because the mean of its divisors is an integer number (7840027).

Almost surely, 2^15680053 is an apocalyptic number.

It is an amenable number.

15680053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15680053 is an equidigital number, since it uses as much as digits as its factorization.

15680053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 15680053 is about 3959.8046668996. The cubic root of 15680053 is about 250.2932718320.

The spelling of 15680053 in words is "fifteen million, six hundred eighty thousand, fifty-three".