2505403684 has 12 divisors (see below), whose sum is σ = 5010807424. Its totient is φ = 1073744424.

The previous prime is 2505403619. The next prime is 2505403697. The reversal of 2505403684 is 4863045052.

2505403684 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44739324 + ... + 44739379.

Almost surely, 2^2505403684 is an apocalyptic number.

It is an amenable number.

2505403684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2505403684 is a wasteful number, since it uses less digits than its factorization.

2505403684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89478714 (or 89478712 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 2505403684 is about 50054.0076717140. The cubic root of 2505403684 is about 1358.1859616078.

The spelling of 2505403684 in words is "two billion, five hundred five million, four hundred three thousand, six hundred eighty-four".