6465379 has 4 divisors (see below), whose sum is σ = 6486480. Its totient is φ = 6444280.

The previous prime is 6465373. The next prime is 6465383. The reversal of 6465379 is 9735646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9735646 = 2 ⋅4867823.

It is a cyclic number.

It is not a de Polignac number, because 6465379 - 2¹⁵ = 6432611 is a prime.

It is a super-2 number, since 2×6465379² = 83602251227282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6465373) 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, 10084 + ... + 10705.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^6465379 is an apocalyptic number.

6465379 is a deficient number, since it is larger than the sum of its proper divisors (21101).

6465379 is a wasteful number, since it uses less digits than its factorization.

6465379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21100.

The product of its digits is 136080, while the sum is 40.

The square root of 6465379 is about 2542.7109548669. The cubic root of 6465379 is about 186.2936261032.

The spelling of 6465379 in words is "six million, four hundred sixty-five thousand, three hundred seventy-nine".