17142481 has 2 divisors, whose sum is σ = 17142482. Its totient is φ = 17142480.

The previous prime is 17142467. The next prime is 17142491. The reversal of 17142481 is 18424171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16160400 + 982081 = 4020^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 17142481 - 2¹⁵ = 17109713 is a prime.

It is a super-2 number, since 2×17142481² = 587729309670722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17142401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8571240 + 8571241.

It is an arithmetic number, because the mean of its divisors is an integer number (8571241).

Almost surely, 2^17142481 is an apocalyptic number.

It is an amenable number.

17142481 is a deficient number, since it is larger than the sum of its proper divisors (1).

17142481 is an equidigital number, since it uses as much as digits as its factorization.

17142481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 28.

The square root of 17142481 is about 4140.3479322395. The cubic root of 17142481 is about 257.8445120042.

The spelling of 17142481 in words is "seventeen million, one hundred forty-two thousand, four hundred eighty-one".