4605425021 has 2 divisors, whose sum is σ = 4605425022. Its totient is φ = 4605425020.

The previous prime is 4605424981. The next prime is 4605425023. The reversal of 4605425021 is 1205245064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4517721796 + 87703225 = 67214^2 + 9365^2 .

It is a cyclic number.

It is not a de Polignac number, because 4605425021 - 2¹⁰ = 4605423997 is a prime.

Together with 4605425023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4605425023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2302712510 + 2302712511.

It is an arithmetic number, because the mean of its divisors is an integer number (2302712511).

Almost surely, 2^4605425021 is an apocalyptic number.

It is an amenable number.

4605425021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4605425021 is an equidigital number, since it uses as much as digits as its factorization.

4605425021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4605425021 is about 67863.2818319303. The cubic root of 4605425021 is about 1663.7570370202.

The spelling of 4605425021 in words is "four billion, six hundred five million, four hundred twenty-five thousand, twenty-one".