2313520 has 60 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 837760.

The previous prime is 2313511. The next prime is 2313539. The reversal of 2313520 is 253132.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2313494 and 2313503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9561 + ... + 9799.

It is an arithmetic number, because the mean of its divisors is an integer number (98952).

2^2313520 is an apocalyptic number.

2313520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968560).

2313520 is an abundant number, since it is smaller than the sum of its proper divisors (3623600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2313520 is a wasteful number, since it uses less digits than its factorization.

2313520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2313520 is about 1521.0259695350. The cubic root of 2313520 is about 132.2587517123.

Adding to 2313520 its reverse (253132), we get a palindrome (2566652).

The spelling of 2313520 in words is "two million, three hundred thirteen thousand, five hundred twenty".