4625375021 has 2 divisors, whose sum is σ = 4625375022. Its totient is φ = 4625375020.

The previous prime is 4625374987. The next prime is 4625375071. The reversal of 4625375021 is 1205735264.

4625375021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4059601225 + 565773796 = 63715^2 + 23786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4625375021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4625375071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2312687510 + 2312687511.

It is an arithmetic number, because the mean of its divisors is an integer number (2312687511).

Almost surely, 2^4625375021 is an apocalyptic number.

It is an amenable number.

4625375021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4625375021 is an equidigital number, since it uses as much as digits as its factorization.

4625375021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 4625375021 is about 68010.1096970149. The cubic root of 4625375021 is about 1666.1559571526.

The spelling of 4625375021 in words is "four billion, six hundred twenty-five million, three hundred seventy-five thousand, twenty-one".