83138411 has 2 divisors, whose sum is σ = 83138412. Its totient is φ = 83138410.

The previous prime is 83138401. The next prime is 83138423. The reversal of 83138411 is 11483138.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83138411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83138401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41569205 + 41569206.

It is an arithmetic number, because the mean of its divisors is an integer number (41569206).

Almost surely, 2^83138411 is an apocalyptic number.

83138411 is a deficient number, since it is larger than the sum of its proper divisors (1).

83138411 is an equidigital number, since it uses as much as digits as its factorization.

83138411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 83138411 is about 9118.0267053787. The cubic root of 83138411 is about 436.4494058059.

The spelling of 83138411 in words is "eighty-three million, one hundred thirty-eight thousand, four hundred eleven".