6191481 has 4 divisors (see below), whose sum is σ = 8255312. Its totient is φ = 4127652.

The previous prime is 6191461. The next prime is 6191483. The reversal of 6191481 is 1841916.

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 not a de Polignac number, because 6191481 - 2⁹ = 6190969 is a prime.

It is a super-2 number, since 2×6191481² = 76668873946722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6191483) 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, 1031911 + ... + 1031916.

It is an arithmetic number, because the mean of its divisors is an integer number (2063828).

Almost surely, 2^6191481 is an apocalyptic number.

It is an amenable number.

6191481 is a deficient number, since it is larger than the sum of its proper divisors (2063831).

6191481 is a wasteful number, since it uses less digits than its factorization.

6191481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063830.

The product of its digits is 1728, while the sum is 30.

The square root of 6191481 is about 2488.2686752037. The cubic root of 6191481 is about 183.6248757121.

The spelling of 6191481 in words is "six million, one hundred ninety-one thousand, four hundred eighty-one".