913109 has 4 divisors (see below), whose sum is σ = 928140. Its totient is φ = 898080.

The previous prime is 913103. The next prime is 913139. The reversal of 913109 is 901319.

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 10609 + 902500 = 103^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 913109 - 2⁸ = 912853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7424 + ... + 7545.

It is an arithmetic number, because the mean of its divisors is an integer number (232035).

2⁹¹³¹⁰⁹ is an apocalyptic number.

It is an amenable number.

913109 is a deficient number, since it is larger than the sum of its proper divisors (15031).

913109 is a wasteful number, since it uses less digits than its factorization.

913109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 913109 is about 955.5673707280. The cubic root of 913109 is about 97.0154437450.

It can be divided in two parts, 91310 and 9, that added together give a palindrome (91319).

The spelling of 913109 in words is "nine hundred thirteen thousand, one hundred nine".