6520195 has 8 divisors (see below), whose sum is σ = 8535600. Its totient is φ = 4741920.

The previous prime is 6520193. The next prime is 6520207. The reversal of 6520195 is 5910256.

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

It is not a de Polignac number, because 6520195 - 2¹ = 6520193 is a prime.

6520195 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6520193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59220 + ... + 59329.

It is an arithmetic number, because the mean of its divisors is an integer number (1066950).

Almost surely, 2^6520195 is an apocalyptic number.

6520195 is a deficient number, since it is larger than the sum of its proper divisors (2015405).

6520195 is a wasteful number, since it uses less digits than its factorization.

6520195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118565.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 6520195 is about 2553.4672506222. The cubic root of 6520195 is about 186.8186351041.

The spelling of 6520195 in words is "six million, five hundred twenty thousand, one hundred ninety-five".