6523565061 has 8 divisors (see below), whose sum is σ = 9367170400. Its totient is φ = 4014501552.

The previous prime is 6523565047. The next prime is 6523565077. The reversal of 6523565061 is 1605653256.

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

It is not a de Polignac number, because 6523565061 - 2⁹ = 6523564549 is a prime.

It is a super-2 number, since 2×6523565061² = 85113802210199867442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 167270899 = 6523565061 / (6 + 5 + 2 + 3 + 5 + 6 + 5 + 0 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523575061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83635411 + ... + 83635488.

It is an arithmetic number, because the mean of its divisors is an integer number (1170896300).

Almost surely, 2^6523565061 is an apocalyptic number.

It is an amenable number.

6523565061 is a deficient number, since it is larger than the sum of its proper divisors (2843605339).

6523565061 is a wasteful number, since it uses less digits than its factorization.

6523565061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167270915.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 6523565061 is about 80768.5895692131. The cubic root of 6523565061 is about 1868.5081623551.

The spelling of 6523565061 in words is "six billion, five hundred twenty-three million, five hundred sixty-five thousand, sixty-one".