17148661 has 2 divisors, whose sum is σ = 17148662. Its totient is φ = 17148660.

The previous prime is 17148641. The next prime is 17148667. The reversal of 17148661 is 16684171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9891025 + 7257636 = 3145^2 + 2694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17148661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17148667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8574330 + 8574331.

It is an arithmetic number, because the mean of its divisors is an integer number (8574331).

Almost surely, 2^17148661 is an apocalyptic number.

It is an amenable number.

17148661 is a deficient number, since it is larger than the sum of its proper divisors (1).

17148661 is an equidigital number, since it uses as much as digits as its factorization.

17148661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 17148661 is about 4141.0941790788. The cubic root of 17148661 is about 257.8754932769.

The spelling of 17148661 in words is "seventeen million, one hundred forty-eight thousand, six hundred sixty-one".