785573 has 2 divisors, whose sum is σ = 785574. Its totient is φ = 785572.

The previous prime is 785569. The next prime is 785579. The reversal of 785573 is 375587.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744769 + 40804 = 863^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 785573 - 2² = 785569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (785579) 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, 392786 + 392787.

It is an arithmetic number, because the mean of its divisors is an integer number (392787).

2⁷⁸⁵⁵⁷³ is an apocalyptic number.

It is an amenable number.

785573 is a deficient number, since it is larger than the sum of its proper divisors (1).

785573 is an equidigital number, since it uses as much as digits as its factorization.

785573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 785573 is about 886.3255609538. The cubic root of 785573 is about 92.2703531495.

The spelling of 785573 in words is "seven hundred eighty-five thousand, five hundred seventy-three".