71163201 has 4 divisors (see below), whose sum is σ = 94884272. Its totient is φ = 47442132.

The previous prime is 71163199. The next prime is 71163221. The reversal of 71163201 is 10236117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71163201 - 2¹ = 71163199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71163221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11860531 + ... + 11860536.

It is an arithmetic number, because the mean of its divisors is an integer number (23721068).

Almost surely, 2^71163201 is an apocalyptic number.

It is an amenable number.

71163201 is a deficient number, since it is larger than the sum of its proper divisors (23721071).

71163201 is a wasteful number, since it uses less digits than its factorization.

71163201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23721070.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 71163201 is about 8435.8284121952. The cubic root of 71163201 is about 414.3988023928.

Adding to 71163201 its reverse (10236117), we get a palindrome (81399318).

The spelling of 71163201 in words is "seventy-one million, one hundred sixty-three thousand, two hundred one".