2313505 has 8 divisors (see below), whose sum is σ = 2786472. Its totient is φ = 1843968.

The previous prime is 2313469. The next prime is 2313511. The reversal of 2313505 is 5053132.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 1700416 = 783^2 + 1304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2313505 - 2¹⁹ = 1789217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (348309).

2^2313505 is an apocalyptic number.

It is an amenable number.

2313505 is a deficient number, since it is larger than the sum of its proper divisors (472967).

2313505 is a wasteful number, since it uses less digits than its factorization.

2313505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2313505 is about 1521.0210386448. The cubic root of 2313505 is about 132.2584658729.

Adding to 2313505 its reverse (5053132), we get a palindrome (7366637).

The spelling of 2313505 in words is "two million, three hundred thirteen thousand, five hundred five".