71041517 has 6 divisors (see below), whose sum is σ = 73014858. Its totient is φ = 69120144.

The previous prime is 71041501. The next prime is 71041519. The reversal of 71041517 is 71514017.

It can be written as a sum of positive squares in 3 ways, for example, as 22335076 + 48706441 = 4726^2 + 6979^2 .

It is not a de Polignac number, because 71041517 - 2⁴ = 71041501 is a prime.

It is a super-2 number, since 2×71041517² = 10093794275322578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71041519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24578 + ... + 27315.

It is an arithmetic number, because the mean of its divisors is an integer number (12169143).

Almost surely, 2^71041517 is an apocalyptic number.

It is an amenable number.

71041517 is a deficient number, since it is larger than the sum of its proper divisors (1973341).

71041517 is an equidigital number, since it uses as much as digits as its factorization.

71041517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51967 (or 51930 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 71041517 is about 8428.6129938442. The cubic root of 71041517 is about 414.1624701689.

The spelling of 71041517 in words is "seventy-one million, forty-one thousand, five hundred seventeen".