6545023 has 4 divisors (see below), whose sum is σ = 6668568. Its totient is φ = 6421480.

The previous prime is 6545003. The next prime is 6545027. The reversal of 6545023 is 3205456.

6545023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6545023 - 2¹⁷ = 6413951 is a prime.

It is a Duffinian number.

6545023 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61693 + ... + 61798.

It is an arithmetic number, because the mean of its divisors is an integer number (1667142).

Almost surely, 2^6545023 is an apocalyptic number.

6545023 is a deficient number, since it is larger than the sum of its proper divisors (123545).

6545023 is a wasteful number, since it uses less digits than its factorization.

6545023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123544.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 6545023 is about 2558.3242562271. The cubic root of 6545023 is about 187.0554612583.

The spelling of 6545023 in words is "six million, five hundred forty-five thousand, twenty-three".