71163401 has 2 divisors, whose sum is σ = 71163402. Its totient is φ = 71163400.

The previous prime is 71163347. The next prime is 71163427. The reversal of 71163401 is 10436117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65593801 + 5569600 = 8099^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 71163401 - 2²⁶ = 4054537 is a prime.

It is a Chen prime.

It is equal to p_4182422 and since 71163401 and 4182422 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (71163451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35581700 + 35581701.

It is an arithmetic number, because the mean of its divisors is an integer number (35581701).

Almost surely, 2^71163401 is an apocalyptic number.

It is an amenable number.

71163401 is a deficient number, since it is larger than the sum of its proper divisors (1).

71163401 is an equidigital number, since it uses as much as digits as its factorization.

71163401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 71163401 is about 8435.8402663872. The cubic root of 71163401 is about 414.3991906069.

Adding to 71163401 its reverse (10436117), we get a palindrome (81599518).

The spelling of 71163401 in words is "seventy-one million, one hundred sixty-three thousand, four hundred one".