6523855261 has 16 divisors (see below), whose sum is σ = 8332023168. Its totient is φ = 4959532800.

The previous prime is 6523855249. The next prime is 6523855291. The reversal of 6523855261 is 1625583256.

It is a cyclic number.

It is not a de Polignac number, because 6523855261 - 2⁵ = 6523855229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523855201) 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, 1030080 + ... + 1036393.

It is an arithmetic number, because the mean of its divisors is an integer number (520751448).

Almost surely, 2^6523855261 is an apocalyptic number.

It is an amenable number.

6523855261 is a deficient number, since it is larger than the sum of its proper divisors (1808167907).

6523855261 is a wasteful number, since it uses less digits than its factorization.

6523855261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066532.

The product of its digits is 432000, while the sum is 43.

The square root of 6523855261 is about 80770.3860396866. The cubic root of 6523855261 is about 1868.5358687306.

The spelling of 6523855261 in words is "six billion, five hundred twenty-three million, eight hundred fifty-five thousand, two hundred sixty-one".