6450161 has 4 divisors (see below), whose sum is σ = 6607524. Its totient is φ = 6292800.

The previous prime is 6450133. The next prime is 6450167. The reversal of 6450161 is 1610546.

6450161 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 can be written as a sum of positive squares in 2 ways, for example, as 3352561 + 3097600 = 1831^2 + 1760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6450161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6450167) 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, 78620 + ... + 78701.

It is an arithmetic number, because the mean of its divisors is an integer number (1651881).

Almost surely, 2^6450161 is an apocalyptic number.

It is an amenable number.

6450161 is a deficient number, since it is larger than the sum of its proper divisors (157363).

6450161 is a wasteful number, since it uses less digits than its factorization.

6450161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157362.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 6450161 is about 2539.7167164863. The cubic root of 6450161 is about 186.1473473035.

The spelling of 6450161 in words is "six million, four hundred fifty thousand, one hundred sixty-one".