845713 has 4 divisors (see below), whose sum is σ = 922608. Its totient is φ = 768820.

The previous prime is 845683. The next prime is 845717. The reversal of 845713 is 317548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 845713 - 2¹³ = 837521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38431 + ... + 38452.

It is an arithmetic number, because the mean of its divisors is an integer number (230652).

2⁸⁴⁵⁷¹³ is an apocalyptic number.

It is an amenable number.

845713 is a deficient number, since it is larger than the sum of its proper divisors (76895).

845713 is a wasteful number, since it uses less digits than its factorization.

845713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76894.

The product of its digits is 3360, while the sum is 28.

The square root of 845713 is about 919.6265546405. The cubic root of 845713 is about 94.5673027271.

The spelling of 845713 in words is "eight hundred forty-five thousand, seven hundred thirteen".