4268521241 has 2 divisors, whose sum is σ = 4268521242. Its totient is φ = 4268521240.

The previous prime is 4268521183. The next prime is 4268521249. The reversal of 4268521241 is 1421258624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3672966025 + 595555216 = 60605^2 + 24404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4268521241 is a prime.

It is a super-3 number, since 3×4268521241³ (a number of 30 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4268521249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134260620 + 2134260621.

It is an arithmetic number, because the mean of its divisors is an integer number (2134260621).

Almost surely, 2^4268521241 is an apocalyptic number.

It is an amenable number.

4268521241 is a deficient number, since it is larger than the sum of its proper divisors (1).

4268521241 is an equidigital number, since it uses as much as digits as its factorization.

4268521241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 35.

The square root of 4268521241 is about 65333.9210594313. The cubic root of 4268521241 is about 1622.1554959399.

Adding to 4268521241 its reverse (1421258624), we get a palindrome (5689779865).

The spelling of 4268521241 in words is "four billion, two hundred sixty-eight million, five hundred twenty-one thousand, two hundred forty-one".