4320061 has 2 divisors, whose sum is σ = 4320062. Its totient is φ = 4320060.

The previous prime is 4320059. The next prime is 4320079. The reversal of 4320061 is 1600234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 2088025 = 1494^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320061 - 2¹ = 4320059 is a prime.

Together with 4320059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4320461) 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 as a sum of consecutive naturals, namely, 2160030 + 2160031.

It is an arithmetic number, because the mean of its divisors is an integer number (2160031).

Almost surely, 2^4320061 is an apocalyptic number.

It is an amenable number.

4320061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320061 is an equidigital number, since it uses as much as digits as its factorization.

4320061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4320061 is about 2078.4756433502. The cubic root of 4320061 is about 162.8658235637.

Adding to 4320061 its reverse (1600234), we get a palindrome (5920295).

The spelling of 4320061 in words is "four million, three hundred twenty thousand, sixty-one".