170581241 has 2 divisors, whose sum is σ = 170581242. Its totient is φ = 170581240.

The previous prime is 170581207. The next prime is 170581261. The reversal of 170581241 is 142185071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143904016 + 26677225 = 11996^2 + 5165^2 .

It is a cyclic number.

It is not a de Polignac number, because 170581241 - 2²² = 166386937 is a prime.

It is a super-2 number, since 2×170581241² = 58195919562200162, which contains 22 as substring.

It is a Chen prime.

It is equal to p_9533801 and since 170581241 and 9533801 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (170581261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85290620 + 85290621.

It is an arithmetic number, because the mean of its divisors is an integer number (85290621).

Almost surely, 2^170581241 is an apocalyptic number.

It is an amenable number.

170581241 is a deficient number, since it is larger than the sum of its proper divisors (1).

170581241 is an equidigital number, since it uses as much as digits as its factorization.

170581241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 170581241 is about 13060.6753653860. The cubic root of 170581241 is about 554.5964558331.

The spelling of 170581241 in words is "one hundred seventy million, five hundred eighty-one thousand, two hundred forty-one".