2025638 has 8 divisors (see below), whose sum is σ = 3065688. Its totient is φ = 1003744.

The previous prime is 2025637. The next prime is 2025641. The reversal of 2025638 is 8365202.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025631) 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, 4256 + ... + 4707.

It is an arithmetic number, because the mean of its divisors is an integer number (383211).

2^2025638 is an apocalyptic number.

2025638 is a deficient number, since it is larger than the sum of its proper divisors (1040050).

2025638 is a wasteful number, since it uses less digits than its factorization.

2025638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2025638 is about 1423.2490997714. The cubic root of 2025638 is about 126.5281850678.

The spelling of 2025638 in words is "two million, twenty-five thousand, six hundred thirty-eight".