16472917 has 2 divisors, whose sum is σ = 16472918. Its totient is φ = 16472916.

The previous prime is 16472903. The next prime is 16472959. The reversal of 16472917 is 71927461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15673681 + 799236 = 3959^2 + 894^2 .

It is a cyclic number.

It is not a de Polignac number, because 16472917 - 2¹⁹ = 15948629 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 (16472987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8236458 + 8236459.

It is an arithmetic number, because the mean of its divisors is an integer number (8236459).

Almost surely, 2^16472917 is an apocalyptic number.

It is an amenable number.

16472917 is a deficient number, since it is larger than the sum of its proper divisors (1).

16472917 is an equidigital number, since it uses as much as digits as its factorization.

16472917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 16472917 is about 4058.6841463706. The cubic root of 16472917 is about 254.4428023274.

The spelling of 16472917 in words is "sixteen million, four hundred seventy-two thousand, nine hundred seventeen".