71270201 has 2 divisors, whose sum is σ = 71270202. Its totient is φ = 71270200.

The previous prime is 71270183. The next prime is 71270231. The reversal of 71270201 is 10207217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64818601 + 6451600 = 8051^2 + 2540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71270201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71270231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35635100 + 35635101.

It is an arithmetic number, because the mean of its divisors is an integer number (35635101).

Almost surely, 2^71270201 is an apocalyptic number.

It is an amenable number.

71270201 is a deficient number, since it is larger than the sum of its proper divisors (1).

71270201 is an equidigital number, since it uses as much as digits as its factorization.

71270201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 71270201 is about 8442.1680272309. The cubic root of 71270201 is about 414.6063931440.

Adding to 71270201 its reverse (10207217), we get a palindrome (81477418).

The spelling of 71270201 in words is "seventy-one million, two hundred seventy thousand, two hundred one".