2512756413 has 24 divisors (see below), whose sum is σ = 3659643000. Its totient is φ = 1661313024.

The previous prime is 2512756343. The next prime is 2512756439. The reversal of 2512756413 is 3146572152.

2512756413 is a `hidden beast` number, since 2 + 5 + 1 + 2 + 7 + 5 + 641 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4549689 + 2508206724 = 2133^2 + 50082^2 .

It is not a de Polignac number, because 2512756413 - 2⁹ = 2512755901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512756453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1244781 + ... + 1246797.

It is an arithmetic number, because the mean of its divisors is an integer number (152485125).

Almost surely, 2^2512756413 is an apocalyptic number.

It is an amenable number.

2512756413 is a deficient number, since it is larger than the sum of its proper divisors (1146886587).

2512756413 is a wasteful number, since it uses less digits than its factorization.

2512756413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101 (or 3098 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2512756413 is about 50127.4018177683. The cubic root of 2512756413 is about 1359.5133085877.

The spelling of 2512756413 in words is "two billion, five hundred twelve million, seven hundred fifty-six thousand, four hundred thirteen".