1365320041 has 2 divisors, whose sum is σ = 1365320042. Its totient is φ = 1365320040.

The previous prime is 1365320039. The next prime is 1365320051. The reversal of 1365320041 is 1400235631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760160041 + 605160000 = 27571^2 + 24600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1365320041 - 2¹ = 1365320039 is a prime.

Together with 1365320039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1365319988 and 1365320015.

It is not a weakly prime, because it can be changed into another prime (1365320051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682660020 + 682660021.

It is an arithmetic number, because the mean of its divisors is an integer number (682660021).

Almost surely, 2^1365320041 is an apocalyptic number.

It is an amenable number.

1365320041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365320041 is an equidigital number, since it uses as much as digits as its factorization.

1365320041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1365320041 is about 36950.2373605367. The cubic root of 1365320041 is about 1109.3744387973.

Adding to 1365320041 its reverse (1400235631), we get a palindrome (2765555672).

The spelling of 1365320041 in words is "one billion, three hundred sixty-five million, three hundred twenty thousand, forty-one".