2513016531 has 12 divisors (see below), whose sum is σ = 3640200408. Its totient is φ = 1670596224.

The previous prime is 2513016521. The next prime is 2513016563. The reversal of 2513016531 is 1356103152.

2513016531 is a `hidden beast` number, since 2 + 5 + 1 + 3 + 0 + 1 + 653 + 1 = 666.

It is not a de Polignac number, because 2513016531 - 2¹⁰ = 2513015507 is a prime.

It is a super-2 number, since 2×2513016531² = 12630504170158547922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2513016495 and 2513016504.

It is not an unprimeable number, because it can be changed into a prime (2513016521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392325 + ... + 398678.

It is an arithmetic number, because the mean of its divisors is an integer number (303350034).

Almost surely, 2^2513016531 is an apocalyptic number.

2513016531 is a deficient number, since it is larger than the sum of its proper divisors (1127183877).

2513016531 is a wasteful number, since it uses less digits than its factorization.

2513016531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791362 (or 791359 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2513016531 is about 50129.9963195690. The cubic root of 2513016531 is about 1359.5602187829.

Adding to 2513016531 its reverse (1356103152), we get a palindrome (3869119683).

The spelling of 2513016531 in words is "two billion, five hundred thirteen million, sixteen thousand, five hundred thirty-one".