2500845 has 8 divisors (see below), whose sum is σ = 4001376. Its totient is φ = 1333776.

The previous prime is 2500843. The next prime is 2500847. The reversal of 2500845 is 5480052.

2500845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2500843) and next prime (2500847).

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

It is not a de Polignac number, because 2500845 - 2¹ = 2500843 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500843) 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 7 ways as a sum of consecutive naturals, for example, 83347 + ... + 83376.

It is an arithmetic number, because the mean of its divisors is an integer number (500172).

2^2500845 is an apocalyptic number.

It is an amenable number.

2500845 is a deficient number, since it is larger than the sum of its proper divisors (1500531).

2500845 is a wasteful number, since it uses less digits than its factorization.

2500845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166731.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2500845 is about 1581.4060199708. The cubic root of 2500845 is about 135.7361703265.

Adding to 2500845 its reverse (5480052), we get a palindrome (7980897).

The spelling of 2500845 in words is "two million, five hundred thousand, eight hundred forty-five".