71255211 has 8 divisors (see below), whose sum is σ = 100595664. Its totient is φ = 44709120.

The previous prime is 71255189. The next prime is 71255213. The reversal of 71255211 is 11255217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71255211 - 2⁵ = 71255179 is a prime.

It is a super-3 number, since 3×71255211³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (71255213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698530 + ... + 698631.

It is an arithmetic number, because the mean of its divisors is an integer number (12574458).

Almost surely, 2^71255211 is an apocalyptic number.

71255211 is a deficient number, since it is larger than the sum of its proper divisors (29340453).

71255211 is a wasteful number, since it uses less digits than its factorization.

71255211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397181.

The product of its digits is 700, while the sum is 24.

The square root of 71255211 is about 8441.2801754236. The cubic root of 71255211 is about 414.5773235585.

The spelling of 71255211 in words is "seventy-one million, two hundred fifty-five thousand, two hundred eleven".