6543465 has 8 divisors (see below), whose sum is σ = 10469568. Its totient is φ = 3489840.

The previous prime is 6543461. The next prime is 6543479. The reversal of 6543465 is 5643456.

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

It is not a de Polignac number, because 6543465 - 2² = 6543461 is a prime.

It is a super-3 number, since 3×6543465³ (a number of 21 digits) contains 333 as substring.

6543465 is a lucky number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (6543461) 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, 218101 + ... + 218130.

It is an arithmetic number, because the mean of its divisors is an integer number (1308696).

Almost surely, 2^6543465 is an apocalyptic number.

It is an amenable number.

6543465 is a deficient number, since it is larger than the sum of its proper divisors (3926103).

6543465 is a wasteful number, since it uses less digits than its factorization.

6543465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436239.

The product of its digits is 43200, while the sum is 33.

The square root of 6543465 is about 2558.0197419097. The cubic root of 6543465 is about 187.0406176366.

Subtracting from 6543465 its reverse (5643456), we obtain a palindrome (900009).

The spelling of 6543465 in words is "six million, five hundred forty-three thousand, four hundred sixty-five".