6545487 has 16 divisors (see below), whose sum is σ = 9467360. Its totient is φ = 3998592.

The previous prime is 6545477. The next prime is 6545489. The reversal of 6545487 is 7845456.

It is not a de Polignac number, because 6545487 - 2⁴ = 6545471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5589 + ... + 6657.

It is an arithmetic number, because the mean of its divisors is an integer number (591710).

Almost surely, 2^6545487 is an apocalyptic number.

6545487 is a deficient number, since it is larger than the sum of its proper divisors (2921873).

6545487 is a wasteful number, since it uses less digits than its factorization.

6545487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

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

The square root of 6545487 is about 2558.4149389808. The cubic root of 6545487 is about 187.0598814965.

The spelling of 6545487 in words is "six million, five hundred forty-five thousand, four hundred eighty-seven".