83425871 has 2 divisors, whose sum is σ = 83425872. Its totient is φ = 83425870.

The previous prime is 83425847. The next prime is 83425879. The reversal of 83425871 is 17852438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83425871 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83425879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41712935 + 41712936.

It is an arithmetic number, because the mean of its divisors is an integer number (41712936).

Almost surely, 2^83425871 is an apocalyptic number.

83425871 is a deficient number, since it is larger than the sum of its proper divisors (1).

83425871 is an equidigital number, since it uses as much as digits as its factorization.

83425871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 83425871 is about 9133.7763821981. The cubic root of 83425871 is about 436.9518507555.

The spelling of 83425871 in words is "eighty-three million, four hundred twenty-five thousand, eight hundred seventy-one".