2513012100 has 72 divisors (see below), whose sum is σ = 7277763360. Its totient is φ = 669511680.

The previous prime is 2513012093. The next prime is 2513012101. The reversal of 2513012100 is 12103152.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2513012100.

It is not an unprimeable number, because it can be changed into a prime (2513012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381636 + ... + 388164.

Almost surely, 2^2513012100 is an apocalyptic number.

2513012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513012100 is an abundant number, since it is smaller than the sum of its proper divisors (4764751260).

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

2513012100 is a wasteful number, since it uses less digits than its factorization.

2513012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829 (or 7822 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2513012100 is about 50129.9521244535. The cubic root of 2513012100 is about 1359.5594197147.

Adding to 2513012100 its reverse (12103152), we get a palindrome (2525115252).

The spelling of 2513012100 in words is "two billion, five hundred thirteen million, twelve thousand, one hundred".