2052645 has 32 divisors (see below), whose sum is σ = 3808512. Its totient is φ = 924672.

The previous prime is 2052629. The next prime is 2052647. The reversal of 2052645 is 5462502.

It is not a de Polignac number, because 2052645 - 2⁴ = 2052629 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052647) 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 31 ways as a sum of consecutive naturals, for example, 11779 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (119016).

2^2052645 is an apocalyptic number.

It is an amenable number.

2052645 is a deficient number, since it is larger than the sum of its proper divisors (1755867).

2052645 is a wasteful number, since it uses less digits than its factorization.

2052645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2052645 is about 1432.7054826446. The cubic root of 2052645 is about 127.0880204906.

It can be divided in two parts, 205 and 2645, that added together give a triangular number (2850 = T₇₅).

The spelling of 2052645 in words is "two million, fifty-two thousand, six hundred forty-five".