6545161 has 4 divisors (see below), whose sum is σ = 7480192. Its totient is φ = 5610132.

The previous prime is 6545111. The next prime is 6545167. The reversal of 6545161 is 1615456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6545161 - 2⁹ = 6544649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6545167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467505 + ... + 467518.

It is an arithmetic number, because the mean of its divisors is an integer number (1870048).

Almost surely, 2^6545161 is an apocalyptic number.

It is an amenable number.

6545161 is a deficient number, since it is larger than the sum of its proper divisors (935031).

6545161 is an equidigital number, since it uses as much as digits as its factorization.

6545161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935030.

The product of its digits is 3600, while the sum is 28.

The square root of 6545161 is about 2558.3512268647. The cubic root of 6545161 is about 187.0567759199.

The spelling of 6545161 in words is "six million, five hundred forty-five thousand, one hundred sixty-one".