1365361 has 2 divisors, whose sum is σ = 1365362. Its totient is φ = 1365360.

The previous prime is 1365347. The next prime is 1365367. The reversal of 1365361 is 1635631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950625 + 414736 = 975^2 + 644^2 .

It is an emirp because it is prime and its reverse (1635631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1365361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1365367) 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, 682680 + 682681.

It is an arithmetic number, because the mean of its divisors is an integer number (682681).

2^1365361 is an apocalyptic number.

It is an amenable number.

1365361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365361 is an equidigital number, since it uses as much as digits as its factorization.

1365361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 1365361 is about 1168.4866280792. The cubic root of 1365361 is about 110.9385532268.

The spelling of 1365361 in words is "one million, three hundred sixty-five thousand, three hundred sixty-one".