1365043 has 2 divisors, whose sum is σ = 1365044. Its totient is φ = 1365042.

The previous prime is 1365037. The next prime is 1365047. The reversal of 1365043 is 3405631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1365043 - 2⁵ = 1365011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1365047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682521 + 682522.

It is an arithmetic number, because the mean of its divisors is an integer number (682522).

2^1365043 is an apocalyptic number.

1365043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365043 is an equidigital number, since it uses as much as digits as its factorization.

1365043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1365043 is about 1168.3505467110. The cubic root of 1365043 is about 110.9299398273.

It can be divided in two parts, 13 and 65043, that added together give a palindrome (65056).

The spelling of 1365043 in words is "one million, three hundred sixty-five thousand, forty-three".