271971091 has 8 divisors (see below), whose sum is σ = 320850944. Its totient is φ = 225597960.

The previous prime is 271971071. The next prime is 271971107. The reversal of 271971091 is 190179172.

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

It is not a de Polignac number, because 271971091 - 2⁵ = 271971059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 271971091.

It is not an unprimeable number, because it can be changed into a prime (271971071) 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, 626445 + ... + 626878.

It is an arithmetic number, because the mean of its divisors is an integer number (40106368).

Almost surely, 2^271971091 is an apocalyptic number.

271971091 is a deficient number, since it is larger than the sum of its proper divisors (48879853).

271971091 is a wasteful number, since it uses less digits than its factorization.

271971091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253361.

The product of its (nonzero) digits is 7938, while the sum is 37.

The square root of 271971091 is about 16491.5460463839. The cubic root of 271971091 is about 647.8994050458.

The spelling of 271971091 in words is "two hundred seventy-one million, nine hundred seventy-one thousand, ninety-one".