2497845 has 16 divisors (see below), whose sum is σ = 4567680. Its totient is φ = 1141824.

The previous prime is 2497811. The next prime is 2497849. The reversal of 2497845 is 5487942.

2497845 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 2497845 - 2⁹ = 2497333 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 4⁸ + 9 + 7⁷ + 8⁵ + 4¹⁰ + 5⁵ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497849) 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 15 ways as a sum of consecutive naturals, for example, 11790 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (285480).

2^2497845 is an apocalyptic number.

It is an amenable number.

2497845 is a deficient number, since it is larger than the sum of its proper divisors (2069835).

2497845 is a wasteful number, since it uses less digits than its factorization.

2497845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23804.

The product of its digits is 80640, while the sum is 39.

The square root of 2497845 is about 1580.4572123281. The cubic root of 2497845 is about 135.6818724861.

The spelling of 2497845 in words is "two million, four hundred ninety-seven thousand, eight hundred forty-five".