6545380 has 24 divisors (see below), whose sum is σ = 13914432. Its totient is φ = 2585952.

The previous prime is 6545377. The next prime is 6545381. The reversal of 6545380 is 835456.

It is not an unprimeable number, because it can be changed into a prime (6545381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (579768).

Almost surely, 2^6545380 is an apocalyptic number.

It is an amenable number.

6545380 is an abundant number, since it is smaller than the sum of its proper divisors (7369052).

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

6545380 is a wasteful number, since it uses less digits than its factorization.

6545380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035 (or 4033 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6545380 is about 2558.3940275102. The cubic root of 6545380 is about 187.0588621929.

The spelling of 6545380 in words is "six million, five hundred forty-five thousand, three hundred eighty".