2591268 has 12 divisors (see below), whose sum is σ = 6046320. Its totient is φ = 863752.

The previous prime is 2591263. The next prime is 2591269. The reversal of 2591268 is 8621952.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2591261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107958 + ... + 107981.

It is an arithmetic number, because the mean of its divisors is an integer number (503860).

2^2591268 is an apocalyptic number.

It is an amenable number.

2591268 is an abundant number, since it is smaller than the sum of its proper divisors (3455052).

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

2591268 is a wasteful number, since it uses less digits than its factorization.

2591268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215946 (or 215944 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 2591268 is about 1609.7415941697. The cubic root of 2591268 is about 137.3527768577.

The spelling of 2591268 in words is "two million, five hundred ninety-one thousand, two hundred sixty-eight".