4251361 has 2 divisors, whose sum is σ = 4251362. Its totient is φ = 4251360.

The previous prime is 4251353. The next prime is 4251397. The reversal of 4251361 is 1631524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3312400 + 938961 = 1820^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 4251361 - 2³ = 4251353 is a prime.

It is not a weakly prime, because it can be changed into another prime (4251311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125680 + 2125681.

It is an arithmetic number, because the mean of its divisors is an integer number (2125681).

Almost surely, 2^4251361 is an apocalyptic number.

It is an amenable number.

4251361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4251361 is an equidigital number, since it uses as much as digits as its factorization.

4251361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 4251361 is about 2061.8828773720. The cubic root of 4251361 is about 161.9978788525.

Adding to 4251361 its reverse (1631524), we get a palindrome (5882885).

The spelling of 4251361 in words is "four million, two hundred fifty-one thousand, three hundred sixty-one".