6481165 has 8 divisors (see below), whose sum is σ = 8235000. Its totient is φ = 4879872.

The previous prime is 6481141. The next prime is 6481169. The reversal of 6481165 is 5611846.

It can be written as a sum of positive squares in 4 ways, for example, as 1592644 + 4888521 = 1262^2 + 2211^2 .

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 6481165 - 2⁷ = 6481037 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38040 + ... + 38209.

It is an arithmetic number, because the mean of its divisors is an integer number (1029375).

Almost surely, 2^6481165 is an apocalyptic number.

It is an amenable number.

6481165 is a deficient number, since it is larger than the sum of its proper divisors (1753835).

6481165 is a wasteful number, since it uses less digits than its factorization.

6481165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76271.

The product of its digits is 5760, while the sum is 31.

The square root of 6481165 is about 2545.8132295987. The cubic root of 6481165 is about 186.4451222985.

The spelling of 6481165 in words is "six million, four hundred eighty-one thousand, one hundred sixty-five".