170540563 has 2 divisors, whose sum is σ = 170540564. Its totient is φ = 170540562.

The previous prime is 170540533. The next prime is 170540593. The reversal of 170540563 is 365045071.

It is a balanced prime because it is at equal distance from previous prime (170540533) and next prime (170540593).

It is a cyclic number.

It is not a de Polignac number, because 170540563 - 2²⁵ = 136986131 is a prime.

It is not a weakly prime, because it can be changed into another prime (170540533) 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, 85270281 + 85270282.

It is an arithmetic number, because the mean of its divisors is an integer number (85270282).

Almost surely, 2^170540563 is an apocalyptic number.

170540563 is a deficient number, since it is larger than the sum of its proper divisors (1).

170540563 is an equidigital number, since it uses as much as digits as its factorization.

170540563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 170540563 is about 13059.1180023767. The cubic root of 170540563 is about 554.5523680073.

The spelling of 170540563 in words is "one hundred seventy million, five hundred forty thousand, five hundred sixty-three".