170287049 has 2 divisors, whose sum is σ = 170287050. Its totient is φ = 170287048.

The previous prime is 170286979. The next prime is 170287057. The reversal of 170287049 is 940782071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140256649 + 30030400 = 11843^2 + 5480^2 .

It is a cyclic number.

It is not a de Polignac number, because 170287049 - 2⁸ = 170286793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (170287069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85143524 + 85143525.

It is an arithmetic number, because the mean of its divisors is an integer number (85143525).

Almost surely, 2^170287049 is an apocalyptic number.

It is an amenable number.

170287049 is a deficient number, since it is larger than the sum of its proper divisors (1).

170287049 is an equidigital number, since it uses as much as digits as its factorization.

170287049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 170287049 is about 13049.4079942348. The cubic root of 170287049 is about 554.2774451260.

The spelling of 170287049 in words is "one hundred seventy million, two hundred eighty-seven thousand, forty-nine".