2425021 has 2 divisors, whose sum is σ = 2425022. Its totient is φ = 2425020.

The previous prime is 2425019. The next prime is 2425039. The reversal of 2425021 is 1205242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1988100 + 436921 = 1410^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2425021 - 2¹ = 2425019 is a prime.

Together with 2425019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2424986 and 2425004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2425001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212510 + 1212511.

It is an arithmetic number, because the mean of its divisors is an integer number (1212511).

2^2425021 is an apocalyptic number.

It is an amenable number.

2425021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2425021 is an equidigital number, since it uses as much as digits as its factorization.

2425021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2425021 is about 1557.2478929188. The cubic root of 2425021 is about 134.3502569189.

The spelling of 2425021 in words is "two million, four hundred twenty-five thousand, twenty-one".