2313405 has 24 divisors (see below), whose sum is σ = 4057560. Its totient is φ = 1219200.

The previous prime is 2313403. The next prime is 2313407. The reversal of 2313405 is 5043132.

It is an interprime number because it is at equal distance from previous prime (2313403) and next prime (2313407).

It can be written as a sum of positive squares in 4 ways, for example, as 1153476 + 1159929 = 1074^2 + 1077^2 .

It is not a de Polignac number, because 2313405 - 2¹ = 2313403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4291 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (169065).

2^2313405 is an apocalyptic number.

It is an amenable number.

2313405 is a deficient number, since it is larger than the sum of its proper divisors (1744155).

2313405 is a wasteful number, since it uses less digits than its factorization.

2313405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2313405 is about 1520.9881656344. The cubic root of 2313405 is about 132.2565602453.

Adding to 2313405 its reverse (5043132), we get a palindrome (7356537).

The spelling of 2313405 in words is "two million, three hundred thirteen thousand, four hundred five".