6426523 has 2 divisors, whose sum is σ = 6426524. Its totient is φ = 6426522.

The previous prime is 6426509. The next prime is 6426557. The reversal of 6426523 is 3256246.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6426523 - 2⁵ = 6426491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6426491 and 6426500.

It is not a weakly prime, because it can be changed into another prime (6426583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213261 + 3213262.

It is an arithmetic number, because the mean of its divisors is an integer number (3213262).

Almost surely, 2^6426523 is an apocalyptic number.

6426523 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426523 is an equidigital number, since it uses as much as digits as its factorization.

6426523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 28.

The square root of 6426523 is about 2535.0587764389. The cubic root of 6426523 is about 185.9196766523.

The spelling of 6426523 in words is "six million, four hundred twenty-six thousand, five hundred twenty-three".