15960617 has 2 divisors, whose sum is σ = 15960618. Its totient is φ = 15960616.

The previous prime is 15960601. The next prime is 15960619. The reversal of 15960617 is 71606951.

15960617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14167696 + 1792921 = 3764^2 + 1339^2 .

It is a cyclic number.

It is not a de Polignac number, because 15960617 - 2⁴ = 15960601 is a prime.

Together with 15960619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15960619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7980308 + 7980309.

It is an arithmetic number, because the mean of its divisors is an integer number (7980309).

Almost surely, 2^15960617 is an apocalyptic number.

It is an amenable number.

15960617 is a deficient number, since it is larger than the sum of its proper divisors (1).

15960617 is an equidigital number, since it uses as much as digits as its factorization.

15960617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 15960617 is about 3995.0740919287. The cubic root of 15960617 is about 251.7772923198. Note that the first 3 decimals are identical.

The spelling of 15960617 in words is "fifteen million, nine hundred sixty thousand, six hundred seventeen".