2991587250 has 32 divisors (see below), whose sum is σ = 7467003648. Its totient is φ = 797756400.

The previous prime is 2991587243. The next prime is 2991587267. The reversal of 2991587250 is 527851992.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2991587250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993642 + ... + 1995141.

It is an arithmetic number, because the mean of its divisors is an integer number (233343864).

Almost surely, 2^2991587250 is an apocalyptic number.

2991587250 is an abundant number, since it is smaller than the sum of its proper divisors (4475416398).

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

2991587250 is a wasteful number, since it uses less digits than its factorization.

2991587250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988803 (or 3988793 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2991587250 is about 54695.4042859178. The cubic root of 2991587250 is about 1440.9001653782.

It can be divided in two parts, 2991 and 587250, that added together give a triangular number (590241 = T₁₀₈₆).

The spelling of 2991587250 in words is "two billion, nine hundred ninety-one million, five hundred eighty-seven thousand, two hundred fifty".