6523939 has 2 divisors, whose sum is σ = 6523940. Its totient is φ = 6523938.

The previous prime is 6523873. The next prime is 6523943. The reversal of 6523939 is 9393256.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6523939 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6⁸ + 5 + 2¹¹ + 3⁵ + 9 + 3¹⁴ + 9⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 6523898 and 6523907.

It is not a weakly prime, because it can be changed into another prime (6523969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261969 + 3261970.

It is an arithmetic number, because the mean of its divisors is an integer number (3261970).

Almost surely, 2^6523939 is an apocalyptic number.

6523939 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523939 is an equidigital number, since it uses as much as digits as its factorization.

6523939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 37.

The square root of 6523939 is about 2554.2002662282. The cubic root of 6523939 is about 186.8543863423.

The spelling of 6523939 in words is "six million, five hundred twenty-three thousand, nine hundred thirty-nine".