6478545 has 8 divisors (see below), whose sum is σ = 10365696. Its totient is φ = 3455216.

The previous prime is 6478543. The next prime is 6478559. The reversal of 6478545 is 5458746.

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

It is a cyclic number.

It is not a de Polignac number, because 6478545 - 2¹ = 6478543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6478543) 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, 215937 + ... + 215966.

It is an arithmetic number, because the mean of its divisors is an integer number (1295712).

Almost surely, 2^6478545 is an apocalyptic number.

It is an amenable number.

6478545 is a deficient number, since it is larger than the sum of its proper divisors (3887151).

6478545 is a wasteful number, since it uses less digits than its factorization.

6478545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431911.

The product of its digits is 134400, while the sum is 39.

The square root of 6478545 is about 2545.2986072365. The cubic root of 6478545 is about 186.4199955371.

The spelling of 6478545 in words is "six million, four hundred seventy-eight thousand, five hundred forty-five".