171414889 has 2 divisors, whose sum is σ = 171414890. Its totient is φ = 171414888.

The previous prime is 171414857. The next prime is 171414949. The reversal of 171414889 is 988414171.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171164889 + 250000 = 13083^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 171414889 - 2⁵ = 171414857 is a prime.

It is equal to p_9577870 and since 171414889 and 9577870 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (171414839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85707444 + 85707445.

It is an arithmetic number, because the mean of its divisors is an integer number (85707445).

Almost surely, 2^171414889 is an apocalyptic number.

It is an amenable number.

171414889 is a deficient number, since it is larger than the sum of its proper divisors (1).

171414889 is an equidigital number, since it uses as much as digits as its factorization.

171414889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 43.

The square root of 171414889 is about 13092.5508973614. The cubic root of 171414889 is about 555.4984446196.

The spelling of 171414889 in words is "one hundred seventy-one million, four hundred fourteen thousand, eight hundred eighty-nine".