2991875 has 10 divisors (see below), whose sum is σ = 3739428. Its totient is φ = 2393000.

The previous prime is 2991871. The next prime is 2991883. The reversal of 2991875 is 5781992.

2991875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2991875 - 2² = 2991871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2991871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1769 + ... + 3018.

2^2991875 is an apocalyptic number.

2991875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2991875 is a deficient number, since it is larger than the sum of its proper divisors (747553).

2991875 is an frugal number, since it uses more digits than its factorization.

2991875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807 (or 4792 counting only the distinct ones).

The product of its digits is 45360, while the sum is 41.

The square root of 2991875 is about 1729.7037318570. The cubic root of 2991875 is about 144.0946362229.

The spelling of 2991875 in words is "two million, nine hundred ninety-one thousand, eight hundred seventy-five".