271393491 has 16 divisors (see below), whose sum is σ = 399803904. Its totient is φ = 162881664.

The previous prime is 271393481. The next prime is 271393501. The reversal of 271393491 is 194393172.

It is an interprime number because it is at equal distance from previous prime (271393481) and next prime (271393501).

It is not a de Polignac number, because 271393491 - 2⁶ = 271393427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (271393411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114511 + ... + 116856.

It is an arithmetic number, because the mean of its divisors is an integer number (24987744).

Almost surely, 2^271393491 is an apocalyptic number.

271393491 is a deficient number, since it is larger than the sum of its proper divisors (128410413).

271393491 is a wasteful number, since it uses less digits than its factorization.

271393491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231410.

The product of its digits is 40824, while the sum is 39.

The square root of 271393491 is about 16474.0247359290. The cubic root of 271393491 is about 647.4404200731.

The spelling of 271393491 in words is "two hundred seventy-one million, three hundred ninety-three thousand, four hundred ninety-one".