4185361 has 2 divisors, whose sum is σ = 4185362. Its totient is φ = 4185360.

The previous prime is 4185359. The next prime is 4185373. The reversal of 4185361 is 1635814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 891136 = 1815^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 4185361 - 2¹ = 4185359 is a prime.

Together with 4185359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4185661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2092680 + 2092681.

It is an arithmetic number, because the mean of its divisors is an integer number (2092681).

Almost surely, 2^4185361 is an apocalyptic number.

It is an amenable number.

4185361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4185361 is an equidigital number, since it uses as much as digits as its factorization.

4185361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 4185361 is about 2045.8154853261. The cubic root of 4185361 is about 161.1551941553.

It can be divided in two parts, 41853 and 61, that added together give a palindrome (41914).

The spelling of 4185361 in words is "four million, one hundred eighty-five thousand, three hundred sixty-one".