4063253021 has 2 divisors, whose sum is σ = 4063253022. Its totient is φ = 4063253020.

The previous prime is 4063252969. The next prime is 4063253023. The reversal of 4063253021 is 1203523604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4062660121 + 592900 = 63739^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 4063253021 - 2⁶ = 4063252957 is a prime.

It is a super-2 number, since 2×4063253021² = 33020050225331252882, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4063253023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4063253023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031626510 + 2031626511.

It is an arithmetic number, because the mean of its divisors is an integer number (2031626511).

Almost surely, 2^4063253021 is an apocalyptic number.

It is an amenable number.

4063253021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4063253021 is an equidigital number, since it uses as much as digits as its factorization.

4063253021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 4063253021 is about 63743.6508289257. The cubic root of 4063253021 is about 1595.7246565169.

Adding to 4063253021 its reverse (1203523604), we get a palindrome (5266776625).

The spelling of 4063253021 in words is "four billion, sixty-three million, two hundred fifty-three thousand, twenty-one".