170242001 has 2 divisors, whose sum is σ = 170242002. Its totient is φ = 170242000.

The previous prime is 170241941. The next prime is 170242027. The reversal of 170242001 is 100242071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119333776 + 50908225 = 10924^2 + 7135^2 .

It is a cyclic number.

It is not a de Polignac number, because 170242001 - 2¹⁸ = 169979857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (170242801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85121000 + 85121001.

It is an arithmetic number, because the mean of its divisors is an integer number (85121001).

Almost surely, 2^170242001 is an apocalyptic number.

It is an amenable number.

170242001 is a deficient number, since it is larger than the sum of its proper divisors (1).

170242001 is an equidigital number, since it uses as much as digits as its factorization.

170242001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 170242001 is about 13047.6818247534. The cubic root of 170242001 is about 554.2285643438.

Adding to 170242001 its reverse (100242071), we get a palindrome (270484072).

The spelling of 170242001 in words is "one hundred seventy million, two hundred forty-two thousand, one".