8431013 has 2 divisors, whose sum is σ = 8431014. Its totient is φ = 8431012.

The previous prime is 8430941. The next prime is 8431021. The reversal of 8431013 is 3101348.

It is a happy number.

8431013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8421604 + 9409 = 2902^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 8431013 - 2⁸ = 8430757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8431063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4215506 + 4215507.

It is an arithmetic number, because the mean of its divisors is an integer number (4215507).

Almost surely, 2^8431013 is an apocalyptic number.

It is an amenable number.

8431013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8431013 is an equidigital number, since it uses as much as digits as its factorization.

8431013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 8431013 is about 2903.6206708177. The cubic root of 8431013 is about 203.5291347509.

The spelling of 8431013 in words is "eight million, four hundred thirty-one thousand, thirteen".