1165453 has 2 divisors, whose sum is σ = 1165454. Its totient is φ = 1165452.

The previous prime is 1165447. The next prime is 1165471. The reversal of 1165453 is 3545611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108809 + 56644 = 1053^2 + 238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165453 - 2⁵ = 1165421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582726 + 582727.

It is an arithmetic number, because the mean of its divisors is an integer number (582727).

2^1165453 is an apocalyptic number.

It is an amenable number.

1165453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165453 is an equidigital number, since it uses as much as digits as its factorization.

1165453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 1165453 is about 1079.5614850484. The cubic root of 1165453 is about 105.2361427471.

The spelling of 1165453 in words is "one million, one hundred sixty-five thousand, four hundred fifty-three".