2546845 has 8 divisors (see below), whose sum is σ = 3492864. Its totient is φ = 1746384.

The previous prime is 2546839. The next prime is 2546849. The reversal of 2546845 is 5486452.

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

It is a cyclic number.

It is not a de Polignac number, because 2546845 - 2³ = 2546837 is a prime.

It is a Duffinian number.

2546845 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2546845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36349 + ... + 36418.

It is an arithmetic number, because the mean of its divisors is an integer number (436608).

2^2546845 is an apocalyptic number.

It is an amenable number.

2546845 is a deficient number, since it is larger than the sum of its proper divisors (946019).

2546845 is an equidigital number, since it uses as much as digits as its factorization.

2546845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72779.

The product of its digits is 38400, while the sum is 34.

The square root of 2546845 is about 1595.8837676974. The cubic root of 2546845 is about 136.5633530782.

The spelling of 2546845 in words is "two million, five hundred forty-six thousand, eight hundred forty-five".