2312517 has 4 divisors (see below), whose sum is σ = 3083360. Its totient is φ = 1541676.

The previous prime is 2312477. The next prime is 2312521. The reversal of 2312517 is 7152132.

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 not a de Polignac number, because 2312517 - 2¹⁰ = 2311493 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312493 and 2312502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312617) 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, 385417 + ... + 385422.

It is an arithmetic number, because the mean of its divisors is an integer number (770840).

2^2312517 is an apocalyptic number.

It is an amenable number.

2312517 is a deficient number, since it is larger than the sum of its proper divisors (770843).

2312517 is an equidigital number, since it uses as much as digits as its factorization.

2312517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770842.

The product of its digits is 420, while the sum is 21.

The square root of 2312517 is about 1520.6962221299. The cubic root of 2312517 is about 132.2396358624.

Adding to 2312517 its reverse (7152132), we get a palindrome (9464649).

The spelling of 2312517 in words is "two million, three hundred twelve thousand, five hundred seventeen".