6520475 has 12 divisors (see below), whose sum is σ = 8707776. Its totient is φ = 4814880.

The previous prime is 6520471. The next prime is 6520483. The reversal of 6520475 is 5740256.

It is not a de Polignac number, because 6520475 - 2² = 6520471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6520471) 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, 9707 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (725648).

Almost surely, 2^6520475 is an apocalyptic number.

6520475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6520475 is a deficient number, since it is larger than the sum of its proper divisors (2187301).

6520475 is a wasteful number, since it uses less digits than its factorization.

6520475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20086 (or 20081 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 6520475 is about 2553.5220774452. The cubic root of 6520475 is about 186.8213092812.

The spelling of 6520475 in words is "six million, five hundred twenty thousand, four hundred seventy-five".