84645203 has 2 divisors, whose sum is σ = 84645204. Its totient is φ = 84645202.

The previous prime is 84645161. The next prime is 84645217. The reversal of 84645203 is 30254648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84645203 - 2⁶ = 84645139 is a prime.

It is a super-2 number, since 2×84645203² = 14329620781822418, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84645203.

It is not a weakly prime, because it can be changed into another prime (84642203) 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, 42322601 + 42322602.

It is an arithmetic number, because the mean of its divisors is an integer number (42322602).

Almost surely, 2^84645203 is an apocalyptic number.

84645203 is a deficient number, since it is larger than the sum of its proper divisors (1).

84645203 is an equidigital number, since it uses as much as digits as its factorization.

84645203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 84645203 is about 9200.2827673936. The cubic root of 84645203 is about 439.0703564228.

It can be divided in two parts, 84645 and 203, that added together give a palindrome (84848).

The spelling of 84645203 in words is "eighty-four million, six hundred forty-five thousand, two hundred three".