1765013 has 2 divisors, whose sum is σ = 1765014. Its totient is φ = 1765012.

The previous prime is 1764979. The next prime is 1765033. The reversal of 1765013 is 3105671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1737124 + 27889 = 1318^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1765013 - 2⁶ = 1764949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1765013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1765033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882506 + 882507.

It is an arithmetic number, because the mean of its divisors is an integer number (882507).

2^1765013 is an apocalyptic number.

It is an amenable number.

1765013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1765013 is an equidigital number, since it uses as much as digits as its factorization.

1765013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1765013 is about 1328.5379181642. The cubic root of 1765013 is about 120.8507368776.

It can be divided in two parts, 176 and 5013, that multiplied together give a palindrome (882288).

The spelling of 1765013 in words is "one million, seven hundred sixty-five thousand, thirteen".