2025021 has 8 divisors (see below), whose sum is σ = 2706624. Its totient is φ = 1346720.

The previous prime is 2024977. The next prime is 2025029. The reversal of 2025021 is 1205202.

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

It is a cyclic number.

It is not a de Polignac number, because 2025021 - 2¹⁴ = 2008637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2024988 and 2025006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (338328).

2^2025021 is an apocalyptic number.

2025021 is the 761-st nonagonal number.

It is an amenable number.

2025021 is a deficient number, since it is larger than the sum of its proper divisors (681603).

2025021 is an equidigital number, since it uses as much as digits as its factorization.

2025021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2025021 is about 1423.0323257045. The cubic root of 2025021 is about 126.5153371292.

The spelling of 2025021 in words is "two million, twenty-five thousand, twenty-one".