2315000520 has 256 divisors, whose sum is σ = 8886528000. Its totient is φ = 525097728.

The previous prime is 2315000509. The next prime is 2315000521. The reversal of 2315000520 is 250005132.

It is a happy number.

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 = 2315000493 and 2315000502.

It is not an unprimeable number, because it can be changed into a prime (2315000521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1049739 + ... + 1051941.

It is an arithmetic number, because the mean of its divisors is an integer number (34713000).

Almost surely, 2^2315000520 is an apocalyptic number.

2315000520 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 2315000520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4443264000).

2315000520 is an abundant number, since it is smaller than the sum of its proper divisors (6571527480).

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

2315000520 is a wasteful number, since it uses less digits than its factorization.

2315000520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2315000520 is about 48114.4522986597. The cubic root of 2315000520 is about 1322.8695836603.

Adding to 2315000520 its reverse (250005132), we get a palindrome (2565005652).

The spelling of 2315000520 in words is "two billion, three hundred fifteen million, five hundred twenty", and thus it is an aban number.