71351085 has 16 divisors (see below), whose sum is σ = 122943744. Its totient is φ = 35126592.

The previous prime is 71351081. The next prime is 71351089. The reversal of 71351085 is 58015317.

It is an interprime number because it is at equal distance from previous prime (71351081) and next prime (71351089).

It is not a de Polignac number, because 71351085 - 2² = 71351081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71351081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182757 + ... + 183146.

It is an arithmetic number, because the mean of its divisors is an integer number (7683984).

Almost surely, 2^71351085 is an apocalyptic number.

It is an amenable number.

71351085 is a deficient number, since it is larger than the sum of its proper divisors (51592659).

71351085 is a wasteful number, since it uses less digits than its factorization.

71351085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365924.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 71351085 is about 8446.9571444396. The cubic root of 71351085 is about 414.7631783773.

The spelling of 71351085 in words is "seventy-one million, three hundred fifty-one thousand, eighty-five".