1365733 has 2 divisors, whose sum is σ = 1365734. Its totient is φ = 1365732.

The previous prime is 1365731. The next prime is 1365761. The reversal of 1365733 is 3375631.

It is an a-pointer prime, because the next prime (1365761) can be obtained adding 1365733 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 3844 = 1167^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 1365733 - 2¹ = 1365731 is a prime.

Together with 1365731, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682866 + 682867.

It is an arithmetic number, because the mean of its divisors is an integer number (682867).

2^1365733 is an apocalyptic number.

It is an amenable number.

1365733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365733 is an equidigital number, since it uses as much as digits as its factorization.

1365733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 28.

The square root of 1365733 is about 1168.6457974938. The cubic root of 1365733 is about 110.9486275818.

The spelling of 1365733 in words is "one million, three hundred sixty-five thousand, seven hundred thirty-three".