83841913 has 2 divisors, whose sum is σ = 83841914. Its totient is φ = 83841912.

The previous prime is 83841907. The next prime is 83841931. The reversal of 83841913 is 31914838.

Together with next prime (83841931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42471289 + 41370624 = 6517^2 + 6432^2 .

It is a cyclic number.

It is not a de Polignac number, because 83841913 - 2²⁵ = 50287481 is a prime.

It is not a weakly prime, because it can be changed into another prime (83841973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41920956 + 41920957.

It is an arithmetic number, because the mean of its divisors is an integer number (41920957).

Almost surely, 2^83841913 is an apocalyptic number.

It is an amenable number.

83841913 is a deficient number, since it is larger than the sum of its proper divisors (1).

83841913 is an equidigital number, since it uses as much as digits as its factorization.

83841913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 83841913 is about 9156.5229754531. The cubic root of 83841913 is about 437.6770013597.

The spelling of 83841913 in words is "eighty-three million, eight hundred forty-one thousand, nine hundred thirteen".