15967841 has 2 divisors, whose sum is σ = 15967842. Its totient is φ = 15967840.

The previous prime is 15967817. The next prime is 15967859. The reversal of 15967841 is 14876951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15880225 + 87616 = 3985^2 + 296^2 .

It is an emirp because it is prime and its reverse (14876951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15967841 - 2¹⁰ = 15966817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15967871) 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, 7983920 + 7983921.

It is an arithmetic number, because the mean of its divisors is an integer number (7983921).

Almost surely, 2^15967841 is an apocalyptic number.

It is an amenable number.

15967841 is a deficient number, since it is larger than the sum of its proper divisors (1).

15967841 is an equidigital number, since it uses as much as digits as its factorization.

15967841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 15967841 is about 3995.9781030431. The cubic root of 15967841 is about 251.8152725728.

The spelling of 15967841 in words is "fifteen million, nine hundred sixty-seven thousand, eight hundred forty-one".