6465449 has 4 divisors (see below), whose sum is σ = 6475920. Its totient is φ = 6454980.

The previous prime is 6465419. The next prime is 6465467. The reversal of 6465449 is 9445646.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6465449 - 2¹² = 6461353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6465409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4247 + ... + 5564.

It is an arithmetic number, because the mean of its divisors is an integer number (1618980).

Almost surely, 2^6465449 is an apocalyptic number.

It is an amenable number.

6465449 is a deficient number, since it is larger than the sum of its proper divisors (10471).

6465449 is an equidigital number, since it uses as much as digits as its factorization.

6465449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10470.

The product of its digits is 103680, while the sum is 38.

The square root of 6465449 is about 2542.7247196659. The cubic root of 6465449 is about 186.2942984281.

The spelling of 6465449 in words is "six million, four hundred sixty-five thousand, four hundred forty-nine".