785307053 has 8 divisors (see below), whose sum is σ = 797804280. Its totient is φ = 772899840.

The previous prime is 785307041. The next prime is 785307077. The reversal of 785307053 is 350703587.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22829284 + 762477769 = 4778^2 + 27613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 785307053 - 2¹⁴ = 785290669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 785306998 and 785307016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785307013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4808 + ... + 39921.

It is an arithmetic number, because the mean of its divisors is an integer number (99725535).

Almost surely, 2^785307053 is an apocalyptic number.

It is an amenable number.

785307053 is a deficient number, since it is larger than the sum of its proper divisors (12497227).

785307053 is a wasteful number, since it uses less digits than its factorization.

785307053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45007.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 785307053 is about 28023.3305122714. The cubic root of 785307053 is about 922.5993960707.

The spelling of 785307053 in words is "seven hundred eighty-five million, three hundred seven thousand, fifty-three".