2515313232 has 120 divisors (see below), whose sum is σ = 7188746240. Its totient is φ = 820834560.

The previous prime is 2515313221. The next prime is 2515313239. The reversal of 2515313232 is 2323135152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2515313196 and 2515313205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515313239) 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, 1443882 + ... + 1445622.

Almost surely, 2^2515313232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515313232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3594373120).

2515313232 is an abundant number, since it is smaller than the sum of its proper divisors (4673433008).

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

2515313232 is a wasteful number, since it uses less digits than its factorization.

2515313232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961 (or 1952 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 2515313232 is about 50152.8985403635. The cubic root of 2515313232 is about 1359.9742699861.

Adding to 2515313232 its reverse (2323135152), we get a palindrome (4838448384).

The spelling of 2515313232 in words is "two billion, five hundred fifteen million, three hundred thirteen thousand, two hundred thirty-two".