2513143620 has 144 divisors (see below), whose sum is σ = 8254052352. Its totient is φ = 615271680.

The previous prime is 2513143613. The next prime is 2513143621. The reversal of 2513143620 is 263413152.

2513143620 is a `hidden beast` number, since 2 + 5 + 1 + 31 + 4 + 3 + 620 = 666.

It is not an unprimeable number, because it can be changed into a prime (2513143621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444129 + ... + 449751.

It is an arithmetic number, because the mean of its divisors is an integer number (57319808).

Almost surely, 2^2513143620 is an apocalyptic number.

2513143620 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 2513143620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4127026176).

2513143620 is an abundant number, since it is smaller than the sum of its proper divisors (5740908732).

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

2513143620 is a wasteful number, since it uses less digits than its factorization.

2513143620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2513143620 is about 50131.2638978911. The cubic root of 2513143620 is about 1359.5831370876.

Adding to 2513143620 its reverse (263413152), we get a palindrome (2776556772).

The spelling of 2513143620 in words is "two billion, five hundred thirteen million, one hundred forty-three thousand, six hundred twenty".