271398457 has 4 divisors (see below), whose sum is σ = 296071056. Its totient is φ = 246725860.

The previous prime is 271398437. The next prime is 271398461. The reversal of 271398457 is 754893172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 271398457 - 2¹¹ = 271396409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271398427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12336283 + ... + 12336304.

It is an arithmetic number, because the mean of its divisors is an integer number (74017764).

Almost surely, 2^271398457 is an apocalyptic number.

It is an amenable number.

271398457 is a deficient number, since it is larger than the sum of its proper divisors (24672599).

271398457 is a wasteful number, since it uses less digits than its factorization.

271398457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24672598.

The product of its digits is 423360, while the sum is 46.

The square root of 271398457 is about 16474.1754573636. The cubic root of 271398457 is about 647.4443690372. Note that the first 3 decimals are identical.

The spelling of 271398457 in words is "two hundred seventy-one million, three hundred ninety-eight thousand, four hundred fifty-seven".