8945117 has 2 divisors, whose sum is σ = 8945118. Its totient is φ = 8945116.

The previous prime is 8945099. The next prime is 8945119. The reversal of 8945117 is 7115498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 2033476 = 2629^2 + 1426^2 .

It is a cyclic number.

It is not a de Polignac number, because 8945117 - 2¹² = 8941021 is a prime.

Together with 8945119, 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 (8945119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4472558 + 4472559.

It is an arithmetic number, because the mean of its divisors is an integer number (4472559).

Almost surely, 2^8945117 is an apocalyptic number.

It is an amenable number.

8945117 is a deficient number, since it is larger than the sum of its proper divisors (1).

8945117 is an equidigital number, since it uses as much as digits as its factorization.

8945117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 8945117 is about 2990.8388455415. The cubic root of 8945117 is about 207.5847005059.

The spelling of 8945117 in words is "eight million, nine hundred forty-five thousand, one hundred seventeen".