6461445 has 16 divisors (see below), whose sum is σ = 10946880. Its totient is φ = 3243264.

The previous prime is 6461443. The next prime is 6461471. The reversal of 6461445 is 5441646.

It is not a de Polignac number, because 6461445 - 2¹ = 6461443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12415 + ... + 12924.

It is an arithmetic number, because the mean of its divisors is an integer number (684180).

Almost surely, 2^6461445 is an apocalyptic number.

It is an amenable number.

6461445 is a deficient number, since it is larger than the sum of its proper divisors (4485435).

6461445 is a wasteful number, since it uses less digits than its factorization.

6461445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25364.

The product of its digits is 11520, while the sum is 30.

The square root of 6461445 is about 2541.9372533562. The cubic root of 6461445 is about 186.2558336386.

The spelling of 6461445 in words is "six million, four hundred sixty-one thousand, four hundred forty-five".