6520101 has 8 divisors (see below), whose sum is σ = 9935424. Its totient is φ = 3725760.

The previous prime is 6520093. The next prime is 6520117. The reversal of 6520101 is 1010256.

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

It is not a de Polignac number, because 6520101 - 2³ = 6520093 is a prime.

6520101 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6521101) 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, 155220 + ... + 155261.

It is an arithmetic number, because the mean of its divisors is an integer number (1241928).

Almost surely, 2^6520101 is an apocalyptic number.

It is an amenable number.

6520101 is a deficient number, since it is larger than the sum of its proper divisors (3415323).

6520101 is a wasteful number, since it uses less digits than its factorization.

6520101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310491.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 6520101 is about 2553.4488442105. The cubic root of 6520101 is about 186.8177373275.

Adding to 6520101 its reverse (1010256), we get a palindrome (7530357).

The spelling of 6520101 in words is "six million, five hundred twenty thousand, one hundred one".