2025621 has 32 divisors (see below), whose sum is σ = 3360000. Its totient is φ = 1197504.

The previous prime is 2025593. The next prime is 2025623. The reversal of 2025621 is 1265202.

2025621 is a `hidden beast` number, since 20 + 25 + 621 = 666.

It is not a de Polignac number, because 2025621 - 2⁵ = 2025589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2025594 and 2025603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025623) 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, 10080 + ... + 10278.

It is an arithmetic number, because the mean of its divisors is an integer number (105000).

2^2025621 is an apocalyptic number.

It is an amenable number.

2025621 is a deficient number, since it is larger than the sum of its proper divisors (1334379).

2025621 is a wasteful number, since it uses less digits than its factorization.

2025621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2025621 is about 1423.2431275084. The cubic root of 2025621 is about 126.5278311077.

The spelling of 2025621 in words is "two million, twenty-five thousand, six hundred twenty-one".