2025945 has 32 divisors (see below), whose sum is σ = 3696000. Its totient is φ = 1052352.

The previous prime is 2025929. The next prime is 2025949. The reversal of 2025945 is 5495202.

It is not a de Polignac number, because 2025945 - 2⁴ = 2025929 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2025949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5631 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (115500).

2^2025945 is an apocalyptic number.

It is an amenable number.

2025945 is a deficient number, since it is larger than the sum of its proper divisors (1670055).

2025945 is a wasteful number, since it uses less digits than its factorization.

2025945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 400 counting only the distinct ones).

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

The square root of 2025945 is about 1423.3569475012. The cubic root of 2025945 is about 126.5345768302.

The spelling of 2025945 in words is "two million, twenty-five thousand, nine hundred forty-five".