2505613630 has 32 divisors (see below), whose sum is σ = 5024527200. Its totient is φ = 893246592.

The previous prime is 2505613597. The next prime is 2505613631. The reversal of 2505613630 is 363165052.

It is a junction number, because it is equal to n+sod(n) for n = 2505613592 and 2505613601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505613631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328540 + ... + 336079.

It is an arithmetic number, because the mean of its divisors is an integer number (157016475).

Almost surely, 2^2505613630 is an apocalyptic number.

2505613630 is an abundant number, since it is smaller than the sum of its proper divisors (2518913570).

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

2505613630 is a wasteful number, since it uses less digits than its factorization.

2505613630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664668.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 2505613630 is about 50056.1048224889. The cubic root of 2505613630 is about 1358.2238979754.

Adding to 2505613630 its reverse (363165052), we get a palindrome (2868778682).

The spelling of 2505613630 in words is "two billion, five hundred five million, six hundred thirteen thousand, six hundred thirty".