6445061 has 8 divisors (see below), whose sum is σ = 7434240. Its totient is φ = 5473008.

The previous prime is 6445051. The next prime is 6445079. The reversal of 6445061 is 1605446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6445061 is a prime.

It is a super-2 number, since 2×6445061² = 83077622587442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6445061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445051) 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, 3461 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (929280).

Almost surely, 2^6445061 is an apocalyptic number.

It is an amenable number.

6445061 is a deficient number, since it is larger than the sum of its proper divisors (989179).

6445061 is a wasteful number, since it uses less digits than its factorization.

6445061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6445061 is about 2538.7124689496. The cubic root of 6445061 is about 186.0982735005.

The spelling of 6445061 in words is "six million, four hundred forty-five thousand, sixty-one".