6545242 has 16 divisors (see below), whose sum is σ = 11080800. Its totient is φ = 2872240.

The previous prime is 6545219. The next prime is 6545243. The reversal of 6545242 is 2425456.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6545242.

It is not an unprimeable number, because it can be changed into a prime (6545243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4492 + ... + 5767.

It is an arithmetic number, because the mean of its divisors is an integer number (692550).

Almost surely, 2^6545242 is an apocalyptic number.

6545242 is a deficient number, since it is larger than the sum of its proper divisors (4535558).

6545242 is a wasteful number, since it uses less digits than its factorization.

6545242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301.

The product of its digits is 9600, while the sum is 28.

The square root of 6545242 is about 2558.3670573239. The cubic root of 6545242 is about 187.0575475605.

The spelling of 6545242 in words is "six million, five hundred forty-five thousand, two hundred forty-two".