17680141 has 2 divisors, whose sum is σ = 17680142. Its totient is φ = 17680140.

The previous prime is 17680139. The next prime is 17680171. The reversal of 17680141 is 14108671.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 3316041 = 3790^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 17680141 - 2¹ = 17680139 is a prime.

Together with 17680139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17680171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8840070 + 8840071.

It is an arithmetic number, because the mean of its divisors is an integer number (8840071).

Almost surely, 2^17680141 is an apocalyptic number.

It is an amenable number.

17680141 is a deficient number, since it is larger than the sum of its proper divisors (1).

17680141 is an equidigital number, since it uses as much as digits as its factorization.

17680141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 17680141 is about 4204.7759750075. The cubic root of 17680141 is about 260.5125048797.

The spelling of 17680141 in words is "seventeen million, six hundred eighty thousand, one hundred forty-one".