6461575 has 12 divisors (see below), whose sum is σ = 8077608. Its totient is φ = 5127200.

The previous prime is 6461573. The next prime is 6461617. The reversal of 6461575 is 5751646.

It is a happy number.

It is not a de Polignac number, because 6461575 - 2¹ = 6461573 is a prime.

It is a Duffinian number.

6461575 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6461575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2289 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (673134).

Almost surely, 2^6461575 is an apocalyptic number.

6461575 is a deficient number, since it is larger than the sum of its proper divisors (1616033).

6461575 is a wasteful number, since it uses less digits than its factorization.

6461575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2109 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 6461575 is about 2541.9628242758. The cubic root of 6461575 is about 186.2570827449.

The spelling of 6461575 in words is "six million, four hundred sixty-one thousand, five hundred seventy-five".