6465655 has 8 divisors (see below), whose sum is σ = 8867232. Its totient is φ = 4433568.

The previous prime is 6465653. The next prime is 6465671. The reversal of 6465655 is 5565646.

6465655 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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 6465655 - 2¹ = 6465653 is a prime.

It is a Duffinian number.

6465655 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465653) 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, 92332 + ... + 92401.

It is an arithmetic number, because the mean of its divisors is an integer number (1108404).

Almost surely, 2^6465655 is an apocalyptic number.

6465655 is a deficient number, since it is larger than the sum of its proper divisors (2401577).

6465655 is a wasteful number, since it uses less digits than its factorization.

6465655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184745.

The product of its digits is 108000, while the sum is 37.

The square root of 6465655 is about 2542.7652270707. The cubic root of 6465655 is about 186.2962769562.

Subtracting from 6465655 its reverse (5565646), we obtain a palindrome (900009).

The spelling of 6465655 in words is "six million, four hundred sixty-five thousand, six hundred fifty-five".