6427291 has 4 divisors (see below), whose sum is σ = 6921712. Its totient is φ = 5932872.

The previous prime is 6427277. The next prime is 6427331. The reversal of 6427291 is 1927246.

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

It is a cyclic number.

It is not a de Polignac number, because 6427291 - 2⁵ = 6427259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6427591) 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, 247191 + ... + 247216.

It is an arithmetic number, because the mean of its divisors is an integer number (1730428).

Almost surely, 2^6427291 is an apocalyptic number.

6427291 is a deficient number, since it is larger than the sum of its proper divisors (494421).

6427291 is a wasteful number, since it uses less digits than its factorization.

6427291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494420.

The product of its digits is 6048, while the sum is 31.

The square root of 6427291 is about 2535.2102476915. The cubic root of 6427291 is about 185.9270824519.

The spelling of 6427291 in words is "six million, four hundred twenty-seven thousand, two hundred ninety-one".