47046917 has 2 divisors, whose sum is σ = 47046918. Its totient is φ = 47046916.

The previous prime is 47046889. The next prime is 47046941. The reversal of 47046917 is 71964074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 2076481 = 6706^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 47046917 - 2¹⁶ = 46981381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47046817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23523458 + 23523459.

It is an arithmetic number, because the mean of its divisors is an integer number (23523459).

Almost surely, 2^47046917 is an apocalyptic number.

It is an amenable number.

47046917 is a deficient number, since it is larger than the sum of its proper divisors (1).

47046917 is an equidigital number, since it uses as much as digits as its factorization.

47046917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 47046917 is about 6859.0755207972. The cubic root of 47046917 is about 361.0026498477.

The spelling of 47046917 in words is "forty-seven million, forty-six thousand, nine hundred seventeen".