6481100 has 18 divisors (see below), whose sum is σ = 14064204. Its totient is φ = 2592400.

The previous prime is 6481087. The next prime is 6481121. The reversal of 6481100 is 11846.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32306 + ... + 32505.

Almost surely, 2^6481100 is an apocalyptic number.

It is an amenable number.

6481100 is an abundant number, since it is smaller than the sum of its proper divisors (7583104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6481100 is a wasteful number, since it uses less digits than its factorization.

6481100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64825 (or 64818 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 6481100 is about 2545.8004635085. The cubic root of 6481100 is about 186.4444990065. Note that the first 4 decimals are identical.

Adding to 6481100 its reverse (11846), we get a palindrome (6492946).

The spelling of 6481100 in words is "six million, four hundred eighty-one thousand, one hundred".