2491097 has 8 divisors (see below), whose sum is σ = 2860800. Its totient is φ = 2124864.

The previous prime is 2491091. The next prime is 2491117. The reversal of 2491097 is 7901942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2491097 - 2⁴ = 2491081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2491091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (357600).

2^2491097 is an apocalyptic number.

It is an amenable number.

2491097 is a deficient number, since it is larger than the sum of its proper divisors (369703).

2491097 is a wasteful number, since it uses less digits than its factorization.

2491097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2491097 is about 1578.3209432812. The cubic root of 2491097 is about 135.5595794689.

The spelling of 2491097 in words is "two million, four hundred ninety-one thousand, ninety-seven".