913285 has 4 divisors (see below), whose sum is σ = 1095948. Its totient is φ = 730624.

The previous prime is 913279. The next prime is 913309. The reversal of 913285 is 582319.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 481636 + 431649 = 694^2 + 657^2 .

It is a cyclic number.

It is not a de Polignac number, because 913285 - 2⁹ = 912773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 91324 + ... + 91333.

It is an arithmetic number, because the mean of its divisors is an integer number (273987).

2⁹¹³²⁸⁵ is an apocalyptic number.

It is an amenable number.

913285 is a deficient number, since it is larger than the sum of its proper divisors (182663).

913285 is a wasteful number, since it uses less digits than its factorization.

913285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182662.

The product of its digits is 2160, while the sum is 28.

The square root of 913285 is about 955.6594581753. The cubic root of 913285 is about 97.0216765245.

The spelling of 913285 in words is "nine hundred thirteen thousand, two hundred eighty-five".