830505271 has 2 divisors, whose sum is σ = 830505272. Its totient is φ = 830505270.

The previous prime is 830505259. The next prime is 830505281. The reversal of 830505271 is 172505038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830505271 - 2⁵ = 830505239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830505241) 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, 415252635 + 415252636.

It is an arithmetic number, because the mean of its divisors is an integer number (415252636).

Almost surely, 2^830505271 is an apocalyptic number.

830505271 is a deficient number, since it is larger than the sum of its proper divisors (1).

830505271 is an equidigital number, since it uses as much as digits as its factorization.

830505271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 830505271 is about 28818.4883538329. The cubic root of 830505271 is about 939.9702989710.

The spelling of 830505271 in words is "eight hundred thirty million, five hundred five thousand, two hundred seventy-one".