83601013 has 2 divisors, whose sum is σ = 83601014. Its totient is φ = 83601012.

The previous prime is 83600989. The next prime is 83601029. The reversal of 83601013 is 31010638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83503044 + 97969 = 9138^2 + 313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83601013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83601913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41800506 + 41800507.

It is an arithmetic number, because the mean of its divisors is an integer number (41800507).

Almost surely, 2^83601013 is an apocalyptic number.

It is an amenable number.

83601013 is a deficient number, since it is larger than the sum of its proper divisors (1).

83601013 is an equidigital number, since it uses as much as digits as its factorization.

83601013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 83601013 is about 9143.3589560949. The cubic root of 83601013 is about 437.2574119619.

The spelling of 83601013 in words is "eighty-three million, six hundred one thousand, thirteen".