821234083 has 2 divisors, whose sum is σ = 821234084. Its totient is φ = 821234082.

The previous prime is 821234053. The next prime is 821234111. The reversal of 821234083 is 380432128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 821234083 - 2¹³ = 821225891 is a prime.

It is not a weakly prime, because it can be changed into another prime (821234053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410617041 + 410617042.

It is an arithmetic number, because the mean of its divisors is an integer number (410617042).

Almost surely, 2^821234083 is an apocalyptic number.

821234083 is a deficient number, since it is larger than the sum of its proper divisors (1).

821234083 is an equidigital number, since it uses as much as digits as its factorization.

821234083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 821234083 is about 28657.1820491827. The cubic root of 821234083 is about 936.4594755538.

The spelling of 821234083 in words is "eight hundred twenty-one million, two hundred thirty-four thousand, eighty-three".