6641361 has 6 divisors (see below), whose sum is σ = 9593090. Its totient is φ = 4427568.

The previous prime is 6641359. The next prime is 6641381. The reversal of 6641361 is 1631466.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 2954961 = 1920^2 + 1719^2 .

It is not a de Polignac number, because 6641361 - 2¹ = 6641359 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6641351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368956 + ... + 368973.

Almost surely, 2^6641361 is an apocalyptic number.

It is an amenable number.

6641361 is a deficient number, since it is larger than the sum of its proper divisors (2951729).

6641361 is a wasteful number, since it uses less digits than its factorization.

6641361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737935 (or 737932 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 6641361 is about 2577.0838170304. The cubic root of 6641361 is about 187.9687683897.

It can be divided in two parts, 664 and 1361, that added together give a square (2025 = 45²).

The spelling of 6641361 in words is "six million, six hundred forty-one thousand, three hundred sixty-one".