171130499 has 2 divisors, whose sum is σ = 171130500. Its totient is φ = 171130498.

The previous prime is 171130493. The next prime is 171130501. The reversal of 171130499 is 994031171.

It is a happy number.

171130499 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171130499 is a prime.

Together with 171130501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (171130493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85565249 + 85565250.

It is an arithmetic number, because the mean of its divisors is an integer number (85565250).

Almost surely, 2^171130499 is an apocalyptic number.

171130499 is a deficient number, since it is larger than the sum of its proper divisors (1).

171130499 is an equidigital number, since it uses as much as digits as its factorization.

171130499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 171130499 is about 13081.6856329756. The cubic root of 171130499 is about 555.1910702134.

The spelling of 171130499 in words is "one hundred seventy-one million, one hundred thirty thousand, four hundred ninety-nine".