2021738425 has 12 divisors (see below), whose sum is σ = 2865092416. Its totient is φ = 1386334800.

The previous prime is 2021738363. The next prime is 2021738429. The reversal of 2021738425 is 5248371202.

It is a happy number.

2021738425 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2021738425 - 2¹³ = 2021730233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021738429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5776221 + ... + 5776570.

Almost surely, 2^2021738425 is an apocalyptic number.

2021738425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021738425 is a deficient number, since it is larger than the sum of its proper divisors (843353991).

2021738425 is a wasteful number, since it uses less digits than its factorization.

2021738425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11552808 (or 11552803 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 2021738425 is about 44963.7456735980. The cubic root of 2021738425 is about 1264.4693937193.

The spelling of 2021738425 in words is "two billion, twenty-one million, seven hundred thirty-eight thousand, four hundred twenty-five".