2505385588 has 12 divisors (see below), whose sum is σ = 4502923012. Its totient is φ = 1218836160.

The previous prime is 2505385579. The next prime is 2505385609. The reversal of 2505385588 is 8855835052.

It can be written as a sum of positive squares in 2 ways, for example, as 2113424784 + 391960804 = 45972^2 + 19798^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 8463993 + ... + 8464288.

Almost surely, 2^2505385588 is an apocalyptic number.

It is an amenable number.

2505385588 is a deficient number, since it is larger than the sum of its proper divisors (1997537424).

2505385588 is a wasteful number, since it uses less digits than its factorization.

2505385588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16928322 (or 16928320 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 49.

The square root of 2505385588 is about 50053.8269066412. The cubic root of 2505385588 is about 1358.1826916368.

The spelling of 2505385588 in words is "two billion, five hundred five million, three hundred eighty-five thousand, five hundred eighty-eight".