2052945 has 40 divisors (see below), whose sum is σ = 3807144. Its totient is φ = 1057536.

The previous prime is 2052943. The next prime is 2052959. The reversal of 2052945 is 5492502.

It can be written as a sum of positive squares in 4 ways, for example, as 641601 + 1411344 = 801^2 + 1188^2 .

It is not a de Polignac number, because 2052945 - 2¹ = 2052943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052943) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14917 + ... + 15053.

2^2052945 is an apocalyptic number.

It is an amenable number.

2052945 is a deficient number, since it is larger than the sum of its proper divisors (1754199).

2052945 is a wasteful number, since it uses less digits than its factorization.

2052945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2052945 is about 1432.8101758433. The cubic root of 2052945 is about 127.0942116162.

The spelling of 2052945 in words is "two million, fifty-two thousand, nine hundred forty-five".