4051361 has 2 divisors, whose sum is σ = 4051362. Its totient is φ = 4051360.

The previous prime is 4051343. The next prime is 4051363. The reversal of 4051361 is 1631504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 516961 = 1880^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051361 - 2¹⁴ = 4034977 is a prime.

It is a Sophie Germain prime.

Together with 4051363, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4051363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025680 + 2025681.

It is an arithmetic number, because the mean of its divisors is an integer number (2025681).

Almost surely, 2^4051361 is an apocalyptic number.

It is an amenable number.

4051361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4051361 is an equidigital number, since it uses as much as digits as its factorization.

4051361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4051361 is about 2012.7992945150. The cubic root of 4051361 is about 159.4166386655.

Adding to 4051361 its reverse (1631504), we get a palindrome (5682865).

The spelling of 4051361 in words is "four million, fifty-one thousand, three hundred sixty-one".