17247047 has 2 divisors, whose sum is σ = 17247048. Its totient is φ = 17247046.

The previous prime is 17247037. The next prime is 17247049. The reversal of 17247047 is 74074271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17247047 - 2⁴ = 17247031 is a prime.

Together with 17247049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17247049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8623523 + 8623524.

It is an arithmetic number, because the mean of its divisors is an integer number (8623524).

Almost surely, 2^17247047 is an apocalyptic number.

17247047 is a deficient number, since it is larger than the sum of its proper divisors (1).

17247047 is an equidigital number, since it uses as much as digits as its factorization.

17247047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 17247047 is about 4152.9564168192. The cubic root of 17247047 is about 258.3677177495.

The spelling of 17247047 in words is "seventeen million, two hundred forty-seven thousand, forty-seven".