659637047 has 2 divisors, whose sum is σ = 659637048. Its totient is φ = 659637046.

The previous prime is 659637037. The next prime is 659637049. The reversal of 659637047 is 740736956.

It is a happy number.

659637047 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 is a cyclic number.

It is not a de Polignac number, because 659637047 - 2⁴ = 659637031 is a prime.

Together with 659637049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 659636992 and 659637010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659637049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329818523 + 329818524.

It is an arithmetic number, because the mean of its divisors is an integer number (329818524).

Almost surely, 2^659637047 is an apocalyptic number.

659637047 is a deficient number, since it is larger than the sum of its proper divisors (1).

659637047 is an equidigital number, since it uses as much as digits as its factorization.

659637047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 659637047 is about 25683.4002227119. The cubic root of 659637047 is about 870.4991397450.

The spelling of 659637047 in words is "six hundred fifty-nine million, six hundred thirty-seven thousand, forty-seven".