83413513 has 2 divisors, whose sum is σ = 83413514. Its totient is φ = 83413512.

The previous prime is 83413511. The next prime is 83413537. The reversal of 83413513 is 31531438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68690944 + 14722569 = 8288^2 + 3837^2 .

It is a cyclic number.

It is not a de Polignac number, because 83413513 - 2¹ = 83413511 is a prime.

Together with 83413511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83413511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41706756 + 41706757.

It is an arithmetic number, because the mean of its divisors is an integer number (41706757).

Almost surely, 2^83413513 is an apocalyptic number.

It is an amenable number.

83413513 is a deficient number, since it is larger than the sum of its proper divisors (1).

83413513 is an equidigital number, since it uses as much as digits as its factorization.

83413513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 83413513 is about 9133.0998571131. The cubic root of 83413513 is about 436.9302742446.

The spelling of 83413513 in words is "eighty-three million, four hundred thirteen thousand, five hundred thirteen".