834521071 has 2 divisors, whose sum is σ = 834521072. Its totient is φ = 834521070.

The previous prime is 834520997. The next prime is 834521087. The reversal of 834521071 is 170125438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 834521071 - 2⁷ = 834520943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834524071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417260535 + 417260536.

It is an arithmetic number, because the mean of its divisors is an integer number (417260536).

Almost surely, 2^834521071 is an apocalyptic number.

834521071 is a deficient number, since it is larger than the sum of its proper divisors (1).

834521071 is an equidigital number, since it uses as much as digits as its factorization.

834521071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 834521071 is about 28888.0783542277. The cubic root of 834521071 is about 941.4828982177.

The spelling of 834521071 in words is "eight hundred thirty-four million, five hundred twenty-one thousand, seventy-one".