6581002 has 8 divisors (see below), whose sum is σ = 9915300. Its totient is φ = 3275904.

The previous prime is 6580997. The next prime is 6581009. The reversal of 6581002 is 2001856.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5958481 + 622521 = 2441^2 + 789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6581009) 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, 6727 + ... + 7642.

Almost surely, 2^6581002 is an apocalyptic number.

6581002 is a deficient number, since it is larger than the sum of its proper divisors (3334298).

6581002 is a wasteful number, since it uses less digits than its factorization.

6581002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 6581002 is about 2565.3463703757. The cubic root of 6581002 is about 187.3975926707.

Adding to 6581002 its reverse (2001856), we get a palindrome (8582858).

The spelling of 6581002 in words is "six million, five hundred eighty-one thousand, two".