171075461 has 2 divisors, whose sum is σ = 171075462. Its totient is φ = 171075460.

The previous prime is 171075419. The next prime is 171075473. The reversal of 171075461 is 164570171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161772961 + 9302500 = 12719^2 + 3050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171075461 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 (171075061) 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, 85537730 + 85537731.

It is an arithmetic number, because the mean of its divisors is an integer number (85537731).

Almost surely, 2^171075461 is an apocalyptic number.

It is an amenable number.

171075461 is a deficient number, since it is larger than the sum of its proper divisors (1).

171075461 is an equidigital number, since it uses as much as digits as its factorization.

171075461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 171075461 is about 13079.5818358233. The cubic root of 171075461 is about 555.1315447194.

The spelling of 171075461 in words is "one hundred seventy-one million, seventy-five thousand, four hundred sixty-one".