4313040521 has 2 divisors, whose sum is σ = 4313040522. Its totient is φ = 4313040520.

The previous prime is 4313040517. The next prime is 4313040533. The reversal of 4313040521 is 1250403134.

4313040521 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., 4094592121 + 218448400 = 63989^2 + 14780^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313040521 - 2² = 4313040517 is a prime.

It is not a weakly prime, because it can be changed into another prime (4313040541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156520260 + 2156520261.

It is an arithmetic number, because the mean of its divisors is an integer number (2156520261).

Almost surely, 2^4313040521 is an apocalyptic number.

It is an amenable number.

4313040521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313040521 is an equidigital number, since it uses as much as digits as its factorization.

4313040521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4313040521 is about 65673.7430104300. The cubic root of 4313040521 is about 1627.7755196857.

Adding to 4313040521 its reverse (1250403134), we get a palindrome (5563443655).

The spelling of 4313040521 in words is "four billion, three hundred thirteen million, forty thousand, five hundred twenty-one".