6581374 has 4 divisors (see below), whose sum is σ = 9872064. Its totient is φ = 3290686.

The previous prime is 6581371. The next prime is 6581387. The reversal of 6581374 is 4731856.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6581371) 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 as a sum of consecutive naturals, namely, 1645342 + ... + 1645345.

It is an arithmetic number, because the mean of its divisors is an integer number (2468016).

Almost surely, 2^6581374 is an apocalyptic number.

6581374 is a deficient number, since it is larger than the sum of its proper divisors (3290690).

6581374 is a wasteful number, since it uses less digits than its factorization.

6581374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290689.

The product of its digits is 20160, while the sum is 34.

The square root of 6581374 is about 2565.4188741802. The cubic root of 6581374 is about 187.4011235713.

The spelling of 6581374 in words is "six million, five hundred eighty-one thousand, three hundred seventy-four".