6523873 has 2 divisors, whose sum is σ = 6523874. Its totient is φ = 6523872.

The previous prime is 6523871. The next prime is 6523939. The reversal of 6523873 is 3783256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5161984 + 1361889 = 2272^2 + 1167^2 .

It is a cyclic number.

It is not a de Polignac number, because 6523873 - 2¹ = 6523871 is a prime.

Together with 6523871, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6523871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261936 + 3261937.

It is an arithmetic number, because the mean of its divisors is an integer number (3261937).

Almost surely, 2^6523873 is an apocalyptic number.

It is an amenable number.

6523873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523873 is an equidigital number, since it uses as much as digits as its factorization.

6523873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 6523873 is about 2554.1873463002. The cubic root of 6523873 is about 186.8537562306.

It can be divided in two parts, 6523 and 873, that added together give a square (7396 = 86²).

The spelling of 6523873 in words is "six million, five hundred twenty-three thousand, eight hundred seventy-three".