2513306660 has 12 divisors (see below), whose sum is σ = 5277944028. Its totient is φ = 1005322656.

The previous prime is 2513306651. The next prime is 2513306723. The reversal of 2513306660 is 666033152.

It can be written as a sum of positive squares in 2 ways, for example, as 750650404 + 1762656256 = 27398^2 + 41984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62832647 + ... + 62832686.

It is an arithmetic number, because the mean of its divisors is an integer number (439828669).

Almost surely, 2^2513306660 is an apocalyptic number.

2513306660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513306660 is an abundant number, since it is smaller than the sum of its proper divisors (2764637368).

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

2513306660 is a wasteful number, since it uses less digits than its factorization.

2513306660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125665342 (or 125665340 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 2513306660 is about 50132.8900024724. The cubic root of 2513306660 is about 1359.6125374025.

The spelling of 2513306660 in words is "two billion, five hundred thirteen million, three hundred six thousand, six hundred sixty".