2052445 has 4 divisors (see below), whose sum is σ = 2462940. Its totient is φ = 1641952.

The previous prime is 2052439. The next prime is 2052473. The reversal of 2052445 is 5442502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 881721 + 1170724 = 939^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052445 - 2⁷ = 2052317 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 205240 + ... + 205249.

It is an arithmetic number, because the mean of its divisors is an integer number (615735).

2^2052445 is an apocalyptic number.

It is an amenable number.

2052445 is a deficient number, since it is larger than the sum of its proper divisors (410495).

2052445 is an equidigital number, since it uses as much as digits as its factorization.

2052445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410494.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2052445 is about 1432.6356829285. The cubic root of 2052445 is about 127.0838927384.

Adding to 2052445 its reverse (5442502), we get a palindrome (7494947).

The spelling of 2052445 in words is "two million, fifty-two thousand, four hundred forty-five".