2502891 has 24 divisors (see below), whose sum is σ = 3791424. Its totient is φ = 1589760.

The previous prime is 2502833. The next prime is 2502917. The reversal of 2502891 is 1982052.

2502891 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 2502891 - 2⁶ = 2502827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2502191) 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 23 ways as a sum of consecutive naturals, for example, 25755 + ... + 25851.

It is an arithmetic number, because the mean of its divisors is an integer number (157976).

2^2502891 is an apocalyptic number.

2502891 is the 846-th nonagonal number.

2502891 is a deficient number, since it is larger than the sum of its proper divisors (1288533).

2502891 is a wasteful number, since it uses less digits than its factorization.

2502891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2502891 is about 1582.0527804090. The cubic root of 2502891 is about 135.7731765522.

The spelling of 2502891 in words is "two million, five hundred two thousand, eight hundred ninety-one".