2913217 has 4 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 2878036.

The previous prime is 2913193. The next prime is 2913223. The reversal of 2913217 is 7123192.

2913217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2913217 - 2¹¹ = 2911169 is a prime.

It is a Duffinian number.

2913217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2913191 and 2913200.

It is not an unprimeable number, because it can be changed into a prime (2913247) 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, 17467 + ... + 17632.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

2^2913217 is an apocalyptic number.

It is an amenable number.

2913217 is a deficient number, since it is larger than the sum of its proper divisors (35183).

2913217 is an equidigital number, since it uses as much as digits as its factorization.

2913217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35182.

The product of its digits is 756, while the sum is 25.

The square root of 2913217 is about 1706.8148698673. The cubic root of 2913217 is about 142.8206302400.

Subtracting from 2913217 its sum of digits (25), we obtain a palindrome (2913192).

The spelling of 2913217 in words is "two million, nine hundred thirteen thousand, two hundred seventeen".