83454211 has 2 divisors, whose sum is σ = 83454212. Its totient is φ = 83454210.

The previous prime is 83454209. The next prime is 83454253. The reversal of 83454211 is 11245438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83454211 - 2¹ = 83454209 is a prime.

Together with 83454209, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 83454211.

It is not a weakly prime, because it can be changed into another prime (83454011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41727105 + 41727106.

It is an arithmetic number, because the mean of its divisors is an integer number (41727106).

Almost surely, 2^83454211 is an apocalyptic number.

83454211 is a deficient number, since it is larger than the sum of its proper divisors (1).

83454211 is an equidigital number, since it uses as much as digits as its factorization.

83454211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 83454211 is about 9135.3276350660. The cubic root of 83454211 is about 437.0013230729.

Adding to 83454211 its reverse (11245438), we get a palindrome (94699649).

The spelling of 83454211 in words is "eighty-three million, four hundred fifty-four thousand, two hundred eleven".