171448061 has 2 divisors, whose sum is σ = 171448062. Its totient is φ = 171448060.

The previous prime is 171447959. The next prime is 171448063. The reversal of 171448061 is 160844171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134420836 + 37027225 = 11594^2 + 6085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171448061 is a prime.

It is a Sophie Germain prime.

Together with 171448063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171448063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85724030 + 85724031.

It is an arithmetic number, because the mean of its divisors is an integer number (85724031).

Almost surely, 2^171448061 is an apocalyptic number.

It is an amenable number.

171448061 is a deficient number, since it is larger than the sum of its proper divisors (1).

171448061 is an equidigital number, since it uses as much as digits as its factorization.

171448061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 171448061 is about 13093.8176633097. The cubic root of 171448061 is about 555.5342754353.

The spelling of 171448061 in words is "one hundred seventy-one million, four hundred forty-eight thousand, sixty-one".