2645546 has 8 divisors (see below), whose sum is σ = 3975264. Its totient is φ = 1320460.

The previous prime is 2645543. The next prime is 2645549. The reversal of 2645546 is 6455462.

It is an interprime number because it is at equal distance from previous prime (2645543) and next prime (2645549).

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

It is a d-powerful number, because it can be written as 2²¹ + 6⁶ + 4² + 5⁷ + 5⁷ + 4⁸ + 6⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2645543) 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, 1421 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (496908).

2^2645546 is an apocalyptic number.

2645546 is a deficient number, since it is larger than the sum of its proper divisors (1329718).

2645546 is a wasteful number, since it uses less digits than its factorization.

2645546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316.

The product of its digits is 28800, while the sum is 32.

The square root of 2645546 is about 1626.5134490683. The cubic root of 2645546 is about 138.3051777345.

The spelling of 2645546 in words is "two million, six hundred forty-five thousand, five hundred forty-six".