84817241 has 2 divisors, whose sum is σ = 84817242. Its totient is φ = 84817240.

The previous prime is 84817163. The next prime is 84817259. The reversal of 84817241 is 14271848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 177241 = 9200^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 84817241 - 2²² = 80622937 is a prime.

It is not a weakly prime, because it can be changed into another prime (84817441) 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, 42408620 + 42408621.

It is an arithmetic number, because the mean of its divisors is an integer number (42408621).

Almost surely, 2^84817241 is an apocalyptic number.

It is an amenable number.

84817241 is a deficient number, since it is larger than the sum of its proper divisors (1).

84817241 is an equidigital number, since it uses as much as digits as its factorization.

84817241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 35.

The square root of 84817241 is about 9209.6276254798. The cubic root of 84817241 is about 439.3676194526.

It can be divided in two parts, 84817 and 241, that added together give a palindrome (85058).

The spelling of 84817241 in words is "eighty-four million, eight hundred seventeen thousand, two hundred forty-one".