271662997 has 2 divisors, whose sum is σ = 271662998. Its totient is φ = 271662996.

The previous prime is 271662983. The next prime is 271663027. The reversal of 271662997 is 799266172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245047716 + 26615281 = 15654^2 + 5159^2 .

It is a cyclic number.

It is not a de Polignac number, because 271662997 - 2⁷ = 271662869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 271662997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271662967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135831498 + 135831499.

It is an arithmetic number, because the mean of its divisors is an integer number (135831499).

Almost surely, 2^271662997 is an apocalyptic number.

It is an amenable number.

271662997 is a deficient number, since it is larger than the sum of its proper divisors (1).

271662997 is an equidigital number, since it uses as much as digits as its factorization.

271662997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 271662997 is about 16482.2024317140. The cubic root of 271662997 is about 647.6546617025.

The spelling of 271662997 in words is "two hundred seventy-one million, six hundred sixty-two thousand, nine hundred ninety-seven".