170232481 has 2 divisors, whose sum is σ = 170232482. Its totient is φ = 170232480.

The previous prime is 170232463. The next prime is 170232493. The reversal of 170232481 is 184232071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113742225 + 56490256 = 10665^2 + 7516^2 .

It is a cyclic number.

It is not a de Polignac number, because 170232481 - 2¹⁵ = 170199713 is a prime.

It is a super-2 number, since 2×170232481² = 57958195174830722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (170212481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85116240 + 85116241.

It is an arithmetic number, because the mean of its divisors is an integer number (85116241).

Almost surely, 2^170232481 is an apocalyptic number.

It is an amenable number.

170232481 is a deficient number, since it is larger than the sum of its proper divisors (1).

170232481 is an equidigital number, since it uses as much as digits as its factorization.

170232481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 170232481 is about 13047.3170038901. The cubic root of 170232481 is about 554.2182332577.

The spelling of 170232481 in words is "one hundred seventy million, two hundred thirty-two thousand, four hundred eighty-one".