2505103623 has 12 divisors (see below), whose sum is σ = 3947436168. Its totient is φ = 1518244560.

The previous prime is 2505103613. The next prime is 2505103631. The reversal of 2505103623 is 3263015052.

2505103623 is a `hidden beast` number, since 25 + 0 + 5 + 10 + 3 + 623 = 666.

It is not a de Polignac number, because 2505103623 - 2⁵ = 2505103591 is a prime.

It is a super-2 number, since 2×2505103623² = 12551088323935452258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505103603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12651940 + ... + 12652137.

It is an arithmetic number, because the mean of its divisors is an integer number (328953014).

Almost surely, 2^2505103623 is an apocalyptic number.

2505103623 is a deficient number, since it is larger than the sum of its proper divisors (1442332545).

2505103623 is a wasteful number, since it uses less digits than its factorization.

2505103623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25304094 (or 25304091 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2505103623 is about 50051.0102095852. The cubic root of 2505103623 is about 1358.1317381559.

Adding to 2505103623 its reverse (3263015052), we get a palindrome (5768118675).

The spelling of 2505103623 in words is "two billion, five hundred five million, one hundred three thousand, six hundred twenty-three".