84530141 has 2 divisors, whose sum is σ = 84530142. Its totient is φ = 84530140.

The previous prime is 84530093. The next prime is 84530161. The reversal of 84530141 is 14103548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81902500 + 2627641 = 9050^2 + 1621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84530141 is a prime.

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 84530141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84530161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42265070 + 42265071.

It is an arithmetic number, because the mean of its divisors is an integer number (42265071).

Almost surely, 2^84530141 is an apocalyptic number.

It is an amenable number.

84530141 is a deficient number, since it is larger than the sum of its proper divisors (1).

84530141 is an equidigital number, since it uses as much as digits as its factorization.

84530141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 84530141 is about 9194.0274635222. The cubic root of 84530141 is about 438.8713169011.

Adding to 84530141 its reverse (14103548), we get a palindrome (98633689).

The spelling of 84530141 in words is "eighty-four million, five hundred thirty thousand, one hundred forty-one".