6271491 has 4 divisors (see below), whose sum is σ = 8361992. Its totient is φ = 4180992.

The previous prime is 6271477. The next prime is 6271513. The reversal of 6271491 is 1941726.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6271491 - 2¹⁵ = 6238723 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6271091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045246 + ... + 1045251.

It is an arithmetic number, because the mean of its divisors is an integer number (2090498).

Almost surely, 2^6271491 is an apocalyptic number.

6271491 is a deficient number, since it is larger than the sum of its proper divisors (2090501).

6271491 is a wasteful number, since it uses less digits than its factorization.

6271491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090500.

The product of its digits is 3024, while the sum is 30.

The square root of 6271491 is about 2504.2945114343. The cubic root of 6271491 is about 184.4124627887.

The spelling of 6271491 in words is "six million, two hundred seventy-one thousand, four hundred ninety-one".