4313520 has 80 divisors (see below), whose sum is σ = 14865120. Its totient is φ = 1149696.

The previous prime is 4313509. The next prime is 4313531. The reversal of 4313520 is 253134.

It is an interprime number because it is at equal distance from previous prime (4313509) and next prime (4313531).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4313493 and 4313502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (185814).

Almost surely, 2^4313520 is an apocalyptic number.

4313520 is a gapful number since it is divisible by the number (40) 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 4313520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7432560).

4313520 is an abundant number, since it is smaller than the sum of its proper divisors (10551600).

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

4313520 is a wasteful number, since it uses less digits than its factorization.

4313520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2007 counting only the distinct ones).

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

The square root of 4313520 is about 2076.9015383499. The cubic root of 4313520 is about 162.7835837170.

Adding to 4313520 its reverse (253134), we get a palindrome (4566654).

The spelling of 4313520 in words is "four million, three hundred thirteen thousand, five hundred twenty".