84001633 has 2 divisors, whose sum is σ = 84001634. Its totient is φ = 84001632.

The previous prime is 84001571. The next prime is 84001637. The reversal of 84001633 is 33610048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80586529 + 3415104 = 8977^2 + 1848^2 .

It is a cyclic number.

It is not a de Polignac number, because 84001633 - 2⁹ = 84001121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84001598 and 84001607.

It is not a weakly prime, because it can be changed into another prime (84001637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42000816 + 42000817.

It is an arithmetic number, because the mean of its divisors is an integer number (42000817).

Almost surely, 2^84001633 is an apocalyptic number.

It is an amenable number.

84001633 is a deficient number, since it is larger than the sum of its proper divisors (1).

84001633 is an equidigital number, since it uses as much as digits as its factorization.

84001633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 84001633 is about 9165.2404769324. The cubic root of 84001633 is about 437.9547519683.

The spelling of 84001633 in words is "eighty-four million, one thousand, six hundred thirty-three".