171411641 has 2 divisors, whose sum is σ = 171411642. Its totient is φ = 171411640.

The previous prime is 171411589. The next prime is 171411677. The reversal of 171411641 is 146114171.

171411641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156750400 + 14661241 = 12520^2 + 3829^2 .

It is a cyclic number.

It is not a de Polignac number, because 171411641 - 2⁶ = 171411577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 171411641.

It is not a weakly prime, because it can be changed into another prime (171411841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85705820 + 85705821.

It is an arithmetic number, because the mean of its divisors is an integer number (85705821).

Almost surely, 2^171411641 is an apocalyptic number.

It is an amenable number.

171411641 is a deficient number, since it is larger than the sum of its proper divisors (1).

171411641 is an equidigital number, since it uses as much as digits as its factorization.

171411641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 26.

The square root of 171411641 is about 13092.4268567749. The cubic root of 171411641 is about 555.4949360361.

The spelling of 171411641 in words is "one hundred seventy-one million, four hundred eleven thousand, six hundred forty-one".