6745523 has 2 divisors, whose sum is σ = 6745524. Its totient is φ = 6745522.

The previous prime is 6745517. The next prime is 6745553. The reversal of 6745523 is 3255476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6745523 - 2⁸ = 6745267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6745523.

It is not a weakly prime, because it can be changed into another prime (6745553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372761 + 3372762.

It is an arithmetic number, because the mean of its divisors is an integer number (3372762).

Almost surely, 2^6745523 is an apocalyptic number.

6745523 is a deficient number, since it is larger than the sum of its proper divisors (1).

6745523 is an equidigital number, since it uses as much as digits as its factorization.

6745523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 6745523 is about 2597.2144693883. The cubic root of 6745523 is about 188.9463655281.

The spelling of 6745523 in words is "six million, seven hundred forty-five thousand, five hundred twenty-three".