2503812613 has 8 divisors (see below), whose sum is σ = 2511411968. Its totient is φ = 2496224304.

The previous prime is 2503812601. The next prime is 2503812659. The reversal of 2503812613 is 3162183052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2503812613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503822613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691195 + ... + 694807.

It is an arithmetic number, because the mean of its divisors is an integer number (313926496).

Almost surely, 2^2503812613 is an apocalyptic number.

It is an amenable number.

2503812613 is a deficient number, since it is larger than the sum of its proper divisors (7599355).

2503812613 is a wasteful number, since it uses less digits than its factorization.

2503812613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2503812613 is about 50038.1116050556. Note that the first 3 decimals coincide. The cubic root of 2503812613 is about 1357.8983927932.

Adding to 2503812613 its reverse (3162183052), we get a palindrome (5665995665).

The spelling of 2503812613 in words is "two billion, five hundred three million, eight hundred twelve thousand, six hundred thirteen".