271421397 has 12 divisors (see below), whose sum is σ = 422211244. Its totient is φ = 167028480.

The previous prime is 271421387. The next prime is 271421419. The reversal of 271421397 is 793124172.

It can be written as a sum of positive squares in 2 ways, for example, as 174477681 + 96943716 = 13209^2 + 9846^2 .

It is not a de Polignac number, because 271421397 - 2⁶ = 271421333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271421387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1159804 + ... + 1160037.

Almost surely, 2^271421397 is an apocalyptic number.

It is an amenable number.

271421397 is a deficient number, since it is larger than the sum of its proper divisors (150789847).

271421397 is a wasteful number, since it uses less digits than its factorization.

271421397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319860 (or 2319857 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 271421397 is about 16474.8716838706. The cubic root of 271421397 is about 647.4626103045.

The spelling of 271421397 in words is "two hundred seventy-one million, four hundred twenty-one thousand, three hundred ninety-seven".