71301361 has 4 divisors (see below), whose sum is σ = 71331300. Its totient is φ = 71271424.

The previous prime is 71301359. The next prime is 71301389. The reversal of 71301361 is 16310317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16310317 = 73 ⋅223429.

It can be written as a sum of positive squares in 2 ways, for example, as 34152336 + 37149025 = 5844^2 + 6095^2 .

It is a cyclic number.

It is not a de Polignac number, because 71301361 - 2¹ = 71301359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71301161) 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 in 3 ways as a sum of consecutive naturals, for example, 11056 + ... + 16273.

It is an arithmetic number, because the mean of its divisors is an integer number (17832825).

Almost surely, 2^71301361 is an apocalyptic number.

It is an amenable number.

71301361 is a deficient number, since it is larger than the sum of its proper divisors (29939).

71301361 is a wasteful number, since it uses less digits than its factorization.

71301361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29938.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 71301361 is about 8444.0133230591. The cubic root of 71301361 is about 414.6668076075. Note that the first 3 decimals are identical.

Adding to 71301361 its reverse (16310317), we get a palindrome (87611678).

The spelling of 71301361 in words is "seventy-one million, three hundred one thousand, three hundred sixty-one".